Thesaurus / un-predictable
FEEDBACK- as inimpulsive
- as inincalculable
- as inincongruous
- as ininconsistent
- as inirresponsible
- as inmercurial
- as inbalky
- as inslippery
- as insurprising
- as intemperamental
- as intouchy
- as inuncertain
- as inundependable
- as inunexpected
- as inunpredictable
- as inunsettled
- as inunstable/unsteady
- as inwacky
- as inwayward
- as inwhimsical
- as inunstable
- as intouch-and-go
- as inoff the wall
- as incapricious
- as inchancy
- as inchangeable
- as inincomputable
- as inincongruent
- as inmeasureless
- as intottering
- as intottery
- as inuncountable
- as invacillant
- as invacillatory
- as incontingent
- as indelicate
- as indicey
- as inaimless
- as infickle
- as inhesitant
- as iniffy
synonyms for un-predictable
synonyms for un-predictable
- abrupt
- hasty
- impetuous
- instinctive
- offhand
- passionate
- spontaneous
- violent
- ad-lib
- automatic
- careless
- devil-may-care
- emotional
- extemporaneous
- flaky
- gone off deep end
- headlong
- hot-and-cold
- intuitive
- involuntary
- jumping the gun
- mad
- precipitate
- quick
- rash
- sudden
- swift
- unconsidered
- unexpected
- unmeditated
- unpredictable
- unpremeditated
- unprompted
- up-and-down
- winging it
- boundless
- enormous
- immense
- infinite
- unforeseen
- untold
- vast
- capricious
- chancy
- erratic
- fluctuant
- iffy
- incomputable
- inestimable
- innumerable
- jillion
- measureless
- no end of
- no end to
- numberless
- uncertain
- uncountable
- unfixed
- unpredictable
- unreckonable
- whimsical
- without number
- zillion
- bizarre
- contradictory
- inappropriate
- incoherent
- incompatible
- alien
- conflicting
- disconsonant
- discordant
- disparate
- distorted
- divergent
- extraneous
- fantastic
- fitful
- foreign
- illogical
- improper
- inapropos
- inapt
- incongruent
- inconsistent
- irreconcilable
- irregular
- jumbled
- lopsided
- mismatched
- out of keeping
- rambling
- shifting
- twisted
- unavailing
- unbalanced
- unbecoming
- unconnected
- uncoordinated
- uneven
- unintelligible
- unpredictable
- unrelated
- unsuitable
- unsuited
- conflicting
- contrary
- erratic
- illogical
- incompatible
- irreconcilable
- uncertain
- unpredictable
- at odds
- at variance
- capricious
- changeable
- discordant
- discrepant
- dissonant
- fickle
- incoherent
- in conflict
- incongruent
- incongruous
- inconstant
- lubricious
- mercurial
- out of step
- temperamental
- unstable
- variable
- warring
- capricious
- immature
- immoral
- thoughtless
- carefree
- devil-may-care
- feckless
- fickle
- flighty
- fly-by-night
- giddy
- harebrained
- ill-considered
- incautious
- lax
- loose
- no-account
- rash
- scatterbrained
- shiftless
- unaccountable
- unanswerable
- uncareful
- undependable
- unpredictable
- unreliable
- unstable
- untrustworthy
- wild
- changeable
- effervescent
- erratic
- impulsive
- resilient
- unpredictable
- volatile
- blowing hot and cold
- bubbleheaded
- buoyant
- capricious
- elastic
- expansive
- fickle
- flaky
- flip
- fluctuating
- gaga
- gay
- inconstant
- irregular
- irrepressible
- lighthearted
- lively
- lubricious
- mad
- mobile
- movable
- quicksilver
- spirited
- sprightly
- ticklish
- unstable
- up-and-down
- variable
- yo-yo
- unruly
- averse
- contrary
- hesitant
- immovable
- indisposed
- inflexible
- intractable
- loath
- negative
- negativistic
- obstinate
- ornery
- perverse
- reluctant
- stubborn
- unbending
- unmanageable
- unpredictable
- elusive
- shifty
- slick
- smooth
- treacherous
- tricky
- unpredictable
- unsafe
- unstable
- cagey
- changeable
- crafty
- cunning
- devious
- dishonest
- duplicitous
- evasive
- false
- fly-by-night
- foxy
- inconstant
- insecure
- mutable
- slithery
- sneaky
- two-faced
- unsteady
- untrustworthy
- variable
- amazing
- astonishing
- extraordinary
- remarkable
- shocking
- startling
- stunning
- sudden
- unanticipated
- unforeseen
- unpredictable
- wonderful
- chance
- electrifying
- accidental
- fortuitous
- from left field
- impulsive
- out of the blue
- unpredicted
- without warning
- capricious
- erratic
- excitable
- fickle
- headstrong
- high-strung
- impatient
- irritable
- mercurial
- moody
- ornery
- passionate
- petulant
- thin-skinned
- unpredictable
- unreliable
- unstable
- volatile
- changeable
- cussed
- easily upset
- emotional
- explosive
- fiery
- froward
- hotheaded
- hyper
- hypersensitive
- in bad mood
- inconsistent
- mean
- neurotic
- sensitive
- ticklish
- touchy
- uncertain
- undependable
- variable
- willful
- delicate
- dicey
- hypersensitive
- jumpy
- precarious
- risky
- sensitive
- testy
- ticklish
- tricky
- uptight
- volatile
- bad-tempered
- bundle of nerves
- cantankerous
- captious
- choleric
- crabbed
- cranky
- cross
- grouchy
- grumpy
- hazardous
- irascible
- irritable
- mean
- ornery
- oversensitive
- peevish
- perturbable
- pettish
- petulant
- querulous
- quick-tempered
- splenetic
- surly
- temperamental
- thin-skinned
- unpredictable
- unsafe
- wired up
- wound-up
- ambiguous
- ambivalent
- dubious
- erratic
- hazy
- hesitant
- insecure
- precarious
- questionable
- risky
- unclear
- undecided
- undetermined
- unpredictable
- unreliable
- unresolved
- unsettled
- unsure
- vague
- chancy
- conjectural
- fitful
- hanging by a thread
- iffy
- incalculable
- inconstant
- indefinite
- indeterminate
- indistinct
- irregular
- irresolute
- on thin ice
- speculative
- touch and go
- unconfirmed
- unfixed
- unforeseeable
- up for grabs
- up in the air
- vacillating
- variable
- wavering
- unreliable
- bum
- capricious
- careless
- changeable
- dubious
- erratic
- fickle
- fly-by-night
- inconsistent
- inconstant
- indefinite
- indeterminate
- loose
- no bargain
- no-good
- treacherous
- trick
- tricky
- trustless
- unassured
- uncertain
- unpredictable
- unsafe
- unsound
- unstable
- unsure
- untrustworthy
- variable
- abrupt
- accidental
- amazing
- astonishing
- fortuitous
- startling
- stunning
- sudden
- swift
- unanticipated
- unforeseen
- unpredictable
- wonderful
- chance
- electrifying
- eye-opening
- from left field
- impetuous
- impulsive
- instantaneous
- not bargained for
- not in the cards
- out of the blue
- payback
- prodigious
- staggering
- unheralded
- unlooked-for
- unpredicted
- erratic
- fickle
- uncertain
- unreliable
- unstable
- capricious
- chance
- chancy
- dicey
- doubtful
- fluctuating
- fluky
- from left field
- hanging by a thread
- iffy
- incalculable
- inconstant
- random
- touch and go
- touchy
- unforeseeable
- up for grabs
- variable
- whimsical
- agitated
- changeable
- changing
- complicated
- confused
- disturbed
- insecure
- perilous
- perturbed
- precarious
- rattled
- restless
- shaky
- shifting
- tense
- ticklish
- troubled
- uncertain
- uneasy
- unnerved
- unpredictable
- unstable
- busy
- flustered
- shaken
- thrown
- unbalanced
- wavering
- wobbling
- active
- antsy
- anxious
- changeful
- complex
- disorderly
- explosive
- fidgety
- fluid
- inconstant
- kinetic
- mobile
- mutable
- on edge
- restive
- shook-up
- unpeaceful
- unquiet
- unrestful
- unsteady
- variable
- ambiguous
- borderline
- capricious
- changeable
- dizzy
- dubious
- erratic
- fickle
- fitful
- fluctuating
- giddy
- inconsistent
- inconstant
- insecure
- irrational
- lubricious
- mercurial
- mobile
- movable
- moving
- mutable
- not fixed
- precarious
- rickety
- risky
- rocky
- sensitive
- shaky
- shifty
- slippery
- suspect
- teetering
- temperamental
- ticklish
- tricky
- uncertain
- unpredictable
- unsettled
- untrustworthy
- vacillating
- variable
- volatile
- wavering
- weaving
- wiggly
- wobbly
- absurd
- crazy
- eccentric
- foolish
- loony
- nutty
- odd
- silly
- unpredictable
- whacky
- zany
- balmy
- crazed
- daft
- demented
- deranged
- erratic
- flakey
- flaky
- hare-brained
- insane
- irrational
- lunatic
- mad
- nuts
- preposterous
- screwy
- wild
- capricious
- delinquent
- errant
- erratic
- headstrong
- rebellious
- recalcitrant
- unruly
- aberrant
- arbitrary
- balky
- changeable
- contumacious
- cross-grained
- disobedient
- disorderly
- fickle
- flighty
- fractious
- froward
- immoral
- inconstant
- incorrigible
- insubordinate
- intractable
- mulish
- obdurate
- obstinate
- ornery
- perverse
- refractory
- restive
- self-indulgent
- self-willed
- stubborn
- uncompliant
- undependable
- ungovernable
- unpredictable
- unstable
- variable
- whimsical
- willful
- amusing
- comical
- droll
- eccentric
- funny
- mischievous
- odd
- unusual
- weird
- arbitrary
- capricious
- chancy
- chimerical
- curious
- dicey
- erratic
- fantastic
- flaky
- freakish
- kinky
- peculiar
- quaint
- queer
- quizzical
- singular
- uncertain
- unpredictable
- waggish
- wayward
- ambiguous
- changeable
- erratic
- fickle
- insecure
- irrational
- precarious
- risky
- rocky
- sensitive
- shaky
- slippery
- ticklish
- tricky
- uncertain
- unpredictable
- unsettled
- unsteady
- volatile
- weak
- wobbly
- borderline
- capricious
- dizzy
- dubious
- fitful
- fluctuating
- giddy
- inconsistent
- inconstant
- lubricious
- mercurial
- mobile
- movable
- moving
- mutable
- not fixed
- rickety
- shifty
- suspect
- teetering
- temperamental
- untrustworthy
- vacillating
- variable
- wavering
- weaving
- wiggly
- dangerous
- delicate
- hazardous
- parlous
- perilous
- precarious
- sensitive
- shaky
- touchy
- tricky
- uncertain
- unpredictable
- absurd
- crazy
- curious
- daft
- different
- eccentric
- flaky
- kinky
- kooky
- nonconforming
- not tightly wrapped
- nuts
- nutty
- odd
- oddball
- off-center
- out in left field
- outlandish
- peculiar
- queer
- schizo
- strange
- unconventional
- unpredictable
- wacky
- weird
- wigged out
- arbitrary
- careless
- erratic
- fickle
- flighty
- helter-skelter
- impulsive
- quirky
- temperamental
- unpredictable
- unreasonable
- unstable
- volatile
- wayward
- whimsical
- any way the wind blows
- blowing hot and cold
- changeful
- contrary
- crotchety
- effervescent
- every which way
- fanciful
- fitful
- flaky
- freakish
- gaga
- humorsome
- inconstant
- kinky
- lubricious
- mercurial
- moody
- mutable
- notional
- odd
- picky
- punchy
- queer
- ticklish
- up and down
- vagarious
- variable
- yo-yo
- capricious
- contingent
- dicey
- erratic
- fluctuant
- fluky
- hazardous
- iffy
- incalculable
- precarious
- problematic
- problematical
- rocky
- speculative
- ticklish
- touchy
- tricky
- uncertain
- unpredictable
- unsound
- whimsical
- capricious
- fickle
- fluctuating
- mercurial
- protean
- shifting
- unpredictable
- unsettled
- unstable
- varying
- volatile
- changeful
- mutable
- agitated
- commutative
- convertible
- fitful
- flighty
- fluid
- impulsive
- inconstant
- indecisive
- irregular
- irresolute
- irresponsible
- kaleidoscopic
- mobile
- movable
- permutable
- restless
- reversible
- revocable
- skittish
- spasmodic
- transformable
- transitional
- uncertain
- unreliable
- unsteady
- vacillating
- vagrant
- variable
- variant
- versatile
- wavering
- whimsical
- boundless
- capricious
- chancy
- countless
- enormous
- erratic
- fluctuant
- iffy
- immeasurable
- immense
- inestimable
- infinite
- innumerable
- jillion
- measureless
- no end of
- no end to
- numberless
- uncertain
- uncountable
- unfixed
- unforeseen
- unpredictable
- unreckonable
- untold
- vast
- whimsical
- without number
- zillion
- alien
- bizarre
- conflicting
- contradictory
- disconsonant
- discordant
- discrepant
- disparate
- dissonant
- distorted
- divergent
- extraneous
- fantastic
- fitful
- foreign
- illogical
- improper
- inappropriate
- inapropos
- inapt
- incoherent
- incompatible
- inconsistent
- irreconcilable
- irregular
- jumbled
- lopsided
- mismatched
- out of keeping
- rambling
- shifting
- twisted
- unavailing
- unbalanced
- unbecoming
- unconnected
- uncoordinated
- uneven
- unintelligible
- unpredictable
- unrelated
- unsuitable
- unsuited
- boundless
- capricious
- chancy
- countless
- enormous
- erratic
- fluctuant
- iffy
- immeasurable
- immense
- incomputable
- inestimable
- infinite
- innumerable
- jillion
- no end of
- no end to
- numberless
- uncertain
- uncountable
- unfixed
- unforeseen
- unpredictable
- unreckonable
- untold
- vast
- whimsical
- without number
- zillion
- dizzy
- fluctuating
- moving
- suspect
- teetering
- unsettled
- vacillating
- wavering
- weaving
- ambiguous
- borderline
- capricious
- changeable
- dubious
- erratic
- fickle
- fitful
- giddy
- inconsistent
- inconstant
- insecure
- irrational
- lubricious
- mercurial
- mobile
- movable
- mutable
- not fixed
- precarious
- rickety
- risky
- rocky
- sensitive
- shaky
- shifty
- slippery
- temperamental
- ticklish
- tottery
- tricky
- uncertain
- unpredictable
- unsteady
- untrustworthy
- variable
- volatile
- weak
- wiggly
- wobbly
- ambiguous
- borderline
- capricious
- changeable
- dizzy
- dubious
- erratic
- fickle
- fitful
- fluctuating
- giddy
- inconsistent
- inconstant
- insecure
- irrational
- lubricious
- mercurial
- mobile
- movable
- moving
- mutable
- not fixed
- precarious
- rickety
- risky
- rocky
- sensitive
- shaky
- shifty
- slippery
- suspect
- teetering
- temperamental
- ticklish
- tottering
- tricky
- uncertain
- unpredictable
- unsettled
- unsteady
- untrustworthy
- vacillating
- variable
- volatile
- wavering
- weak
- weaving
- wiggly
- wobbly
- boundless
- capricious
- chancy
- countless
- enormous
- erratic
- fluctuant
- iffy
- immeasurable
- immense
- incomputable
- inestimable
- infinite
- innumerable
- jillion
- measureless
- no end of
- no end to
- numberless
- uncertain
- unfixed
- unforeseen
- unpredictable
- unreckonable
- untold
- vast
- whimsical
- without number
- zillion
- afraid
- averse
- backward
- dawdling
- delaying
- diffident
- disinclined
- doubtful
- doubting
- faltering
- half-hearted
- halting
- hanging back
- hesitating
- indecisive
- irresolute
- lacking confidence
- lazy
- loath
- pendulous
- reluctant
- shilly-shally
- shy
- skeptical
- slow
- tentative
- timid
- uneager
- unpredictable
- unsure
- unwilling
- vacillating
- vacillatory
- wavering
- afraid
- averse
- backward
- dawdling
- delaying
- diffident
- disinclined
- doubtful
- doubting
- faltering
- half-hearted
- halting
- hanging back
- hesitating
- indecisive
- irresolute
- lacking confidence
- lazy
- loath
- pendulous
- reluctant
- shilly-shally
- shy
- skeptical
- slow
- tentative
- timid
- uneager
- unpredictable
- unsure
- unwilling
- vacillant
- vacillating
- wavering
- unforeseen
- accidental
- chance
- dependent
- incidental
- probable
- casual
- controlled by
- fluky
- fortuitous
- haphazard
- likely
- odd
- probably
- random
- subject to
- unanticipated
- uncertain
- unexpected
- unforeseeable
- unpredictable
- ticklish
- tricky
- uncertain
- unpredictable
- capricious
- chancy
- dangerous
- difficult
- erratic
- fluctuant
- iffy
- incalculable
- whimsical
- desultory
- erratic
- frivolous
- haphazard
- indiscriminate
- pointless
- random
- accidental
- any which way
- bits and pieces
- blind
- capricious
- careless
- casual
- chance
- directionless
- drifting
- fanciful
- fickle
- fits and starts
- flighty
- fortuitous
- goalless
- heedless
- hit-or-miss
- indecisive
- irresolute
- objectless
- purposeless
- shiftless
- stray
- thoughtless
- unavailing
- undirected
- unguided
- unplanned
- unpredictable
- vagrant
- wandering
- wanton
- wayward
- capricious
- changeable
- flighty
- temperamental
- unpredictable
- unstable
- volatile
- arbitrary
- cheating
- coquettish
- double-crossing
- faithless
- fitful
- frivolous
- inconstant
- irresolute
- lubricious
- mercurial
- mutable
- quicksilver
- sneaking
- ticklish
- two-timing
- unfaithful
- unsteady
- untrue
- variable
- whimsical
- yo-yo
- afraid
- averse
- doubtful
- halting
- indecisive
- loath
- reluctant
- shy
- skeptical
- slow
- tentative
- timid
- unsure
- unwilling
- backward
- dawdling
- delaying
- diffident
- disinclined
- doubting
- faltering
- half-hearted
- hanging back
- hesitating
- irresolute
- lacking confidence
- lazy
- uneager
- unpredictable
- vacillating
- wavering
- capricious
- chancy
- conditional
- dicey
- doubtful
- erratic
- fluctuant
- incalculable
- in lap of gods
- problematic
- undecided
- unpredictable
- unsettled
- up in the air
- whimsical
On this page you'll find 1644 synonyms, antonyms, and words related to un-predictable, such as: abrupt, hasty, impetuous, instinctive, offhand, and passionate.
antonyms for un-predictable
MOST RELEVANT
- certain
- constant
- predictable
- reliable
- stable
- steady
- sure
- unchanging
- calm
- tranquil
- unchangeable
- unperturbable
- unvarying
- calm
- constant
- dependable
- easygoing
- happy
- laid-back
- predictable
- reliable
- stable
- steadfast
- steady
- tolerant
- unchanging
- unvarying
- peaceful
- pleased
- certain
- clear
- decided
- definite
- determined
- predictable
- reliable
- resolved
- safe
- secure
- settled
- sure
- trustworthy
- unchanging
- undoubted
- foreseeable
- calm
- certain
- clear
- composed
- constant
- definite
- easy
- easygoing
- firm
- fixed
- laid-back
- safe
- secure
- sound
- stable
- steady
- strong
- sure
- unchanging
- calmed
- content
- decided
- happy
- settled
- boring
- common
- dramatic
- normal
- regular
- sad
- serious
- standard
- tragic
- usual
- behaving
- reasonable
- sensible
- certain
- clear
- confident
- constant
- definite
- dependable
- easy
- firm
- guarded
- happy
- predictable
- protected
- reliable
- safe
- secure
- sound
- stable
- steady
- strong
- sure
- unchanging
- cautious
- constant
- predictable
- reasonable
- reliable
- sensible
- stable
- steady
- thoughtful
- unchanging
- dependable
- staid
- steadfast
- calm
- constant
- stable
- steadfast
- steady
- unvarying
- certain
- changeless
- fixed
- lasting
- reliable
- sure
- unchangeable
- undeviating
- calm
- easy
- firm
- stable
- coarse
- harsh
- healthful
- healthy
- heavy
- imprecise
- indelicate
- inelegant
- insensitive
- robust
- rough
- strong
- uncareful
- uncritical
- unscrupulous
- definite
- methodical
- particular
- sensible
- specific
- systematic
- determined
- directed
- goal-oriented
- motivated
- pointed
- purposeful
- resolute
- believing
- bold
- brave
- certain
- confident
- decisive
- definite
- eager
- extroverted
- fearless
- ready
- sure
- willing
- resolute
- unwavering
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.