Thesaurus / in valid
FEEDBACK- as ininvalid
- as ininvalid
- as inirrational
- as inmad
- as innull
- as insick
- as inbedridden
- as intrumped-up
- as inunhealthy
- as inunreasonable
- as inunsound
- as inunwell
- as invoid
- as inweak
- as innugatory
- as inlaid-up
- as insophistic
- as indefunct
- as inerroneous
- as infallacious
- as infalse
- as infaulty
- as inhelpless
- as inillegitimate
- as inillogical
- as ininvalid
- as inpatient
- as inup
synonyms for in valid
synonyms for in valid
- ailing
- debilitated
- disabled
- down
- frail
- ill
- peaked
- sick
- bedridden
- below par
- feeble
- infirm
- laid low
- on the sick list
- out of action
- poorly
- run down
- weak
- aberrant
- absurd
- crazy
- foolish
- incoherent
- insane
- preposterous
- ridiculous
- stupid
- unreasonable
- unsound
- unwise
- wrong
- invalid
- loony
- raving
- silly
- wild
- brainless
- cockamamie
- delirious
- demented
- disconnected
- disjointed
- distraught
- fallacious
- flaky
- freaky
- injudicious
- kooky
- mad
- mindless
- nonsensical
- nutty
- off-the-wall
- reasonless
- sophistic
- specious
- unreasoning
- unstable
- unthinking
- wacky
- absurd
- delirious
- demented
- fantastic
- foolish
- frantic
- frenzied
- kooky
- nutty
- psychotic
- aberrant
- bananas
- batty
- crazed
- cuckoo
- daft
- deranged
- distracted
- foolhardy
- frenetic
- illogical
- imprudent
- invalid
- irrational
- loony
- ludicrous
- lunatic
- mental
- non compos mentis
- nonsensical
- off one's rocker
- of unsound mind
- out of one's mind
- preposterous
- rabid
- raving
- senseless
- unbalanced
- unhinged
- unreasonable
- unsafe
- unsound
- unstable
- wacky
- ineffective
- inoperative
- invalid
- unreal
- worthless
- bad
- barren
- imaginary
- negative
- nothing
- void
- absent
- characterless
- inefficacious
- nonexistent
- null and void
- powerless
- unavailing
- unsanctioned
- useless
- vain
- ailing
- confined
- debilitated
- declining
- disordered
- down
- frail
- funny
- green
- hospitalized
- ill
- impaired
- imperfect
- incurable
- indisposed
- infected
- invalid
- mean
- nauseated
- peaked
- suffering
- tottering
- wobbly
- bedridden
- broken down
- defective
- delicate
- diseased
- feeble
- feverish
- in a bad way
- infirm
- in poor health
- laid-up
- lousy
- not so hot
- poorly
- qualmish
- queasy
- rickety
- rocky
- rotten
- run down
- sick as a dog
- under medication
- under the weather
- unhealthy
- unwell
- weak
- bogus
- concocted
- cooked-up
- deceitful
- devised
- dishonest
- fabricated
- fake
- false
- falsified
- fictitious
- fishy
- framed
- fraudulent
- imaginary
- incorrect
- invalid
- invented
- lying
- made up
- misleading
- phony
- sham
- unfounded
- unsound
- untrue
- delicate
- unsound
- ailing
- below par
- debilitated
- diseased
- down
- dragging
- feeble
- frail
- ill
- in a decline
- infirm
- in ill health
- in poor health
- invalid
- laid low
- out of action
- out of shape
- peaked
- poorly
- run down
- shaky
- sickly
- unwell
- weak
- absurd
- arbitrary
- biased
- contradictory
- foolish
- illogical
- inconsistent
- irrational
- preposterous
- senseless
- silly
- stupid
- wrong
- all wet
- capricious
- erratic
- fallacious
- far-fetched
- full of hot air
- headstrong
- incoherent
- incongruous
- inconsequential
- invalid
- loose
- mad
- nonsensical
- off the wall
- opinionated
- quirky
- reasonless
- thoughtless
- unreasoned
- vacant
- defective
- erroneous
- false
- faulty
- flawed
- fragile
- illogical
- inaccurate
- incorrect
- insane
- insecure
- shaky
- unbalanced
- unhealthy
- unreliable
- unsafe
- unstable
- ailing
- crazed
- dangerous
- decrepit
- delicate
- demented
- deranged
- diseased
- fallacious
- frail
- ill
- incongruous
- infirm
- in poor health
- insubstantial
- invalid
- lunatic
- mad
- not solid
- rickety
- specious
- tottering
- unbacked
- unhinged
- unsteady
- unsubstantial
- unwell
- weak
- wobbly
- ailing
- bedridden
- broken down
- debilitated
- diseased
- feeble
- feverish
- frail
- hospitalized
- ill
- impaired
- incurable
- infected
- infirm
- in poor health
- invalid
- laid-up
- nauseated
- not feeling well
- run down
- sick as a dog
- sickly
- suffering
- under medication
- under the weather
- unhealthy
- weak
- null
- avoided
- bad
- dead
- invalid
- negated
- voided
- forceless
- fruitless
- ineffective
- ineffectual
- inoperative
- not viable
- nugatory
- null and void
- set aside
- sterile
- unconfirmed
- unenforceable
- unfruitful
- unratified
- unsanctioned
- unsuccessful
- useless
- vain
- worthless
- immature
- inadequate
- incomplete
- ineffective
- ineffectual
- inept
- lacking
- limited
- poor
- shaky
- slim
- small
- thin
- faulty
- flabby
- flimsy
- forceless
- green
- handicapped
- hollow
- implausible
- impotent
- improbable
- incompetent
- inconceivable
- inconclusive
- incredible
- invalid
- lame
- pathetic
- raw
- shallow
- slight
- spineless
- substandard
- thick
- unbelievable
- unconvincing
- unprepared
- unqualified
- unsatisfactory
- unsubstantial
- unsure
- untrained
- wanting
- ailing
- bedridden
- broken down
- confined
- debilitated
- declining
- defective
- delicate
- diseased
- disordered
- down
- feeble
- feverish
- frail
- funny
- green
- hospitalized
- ill
- impaired
- imperfect
- in a bad way
- incurable
- indisposed
- infected
- infirm
- in poor health
- invalid
- lousy
- mean
- nauseated
- not so hot
- peaked
- poorly
- qualmish
- queasy
- rickety
- rocky
- rotten
- run down
- sick as a dog
- suffering
- tottering
- under medication
- under the weather
- unhealthy
- unwell
- weak
- wobbly
- beguiling
- deceiving
- deceptive
- deluding
- delusive
- delusory
- erroneous
- false
- fictitious
- fishy
- fraudulent
- illogical
- illusory
- incorrect
- invalid
- irrational
- mad
- misleading
- mistaken
- off
- phony
- reasonless
- sophistical
- specious
- spurious
- unfounded
- ungrounded
- unreal
- unreasonable
- unreasoned
- unsound
- untrue
- way-off
- nonexistent
- obsolete
- vanished
- asleep
- bygone
- cold
- dead
- deceased
- departed
- done for
- down the drain
- exanimate
- expired
- gone
- had it
- inanimate
- inoperative
- invalid
- kaput
- late
- lifeless
- lost
- out of commission
- false
- faulty
- flawed
- inaccurate
- invalid
- misguided
- mistaken
- specious
- spurious
- unfounded
- unsound
- untrue
- all off
- all wet
- amiss
- askew
- awry
- defective
- fallacious
- inexact
- off
- way-off
- wrong number
- beguiling
- deceiving
- deceptive
- deluding
- delusive
- delusory
- erroneous
- fictitious
- fishy
- fraudulent
- illogical
- illusory
- incorrect
- invalid
- irrational
- mad
- misleading
- mistaken
- off
- phony
- reasonless
- sophistic
- sophistical
- spurious
- unfounded
- ungrounded
- unreal
- unreasonable
- unreasoned
- unsound
- untrue
- way-off
- bogus
- deceitful
- dishonest
- distorted
- erroneous
- fake
- fanciful
- faulty
- fictitious
- fraudulent
- improper
- inaccurate
- incorrect
- invalid
- misleading
- mistaken
- phony
- specious
- spurious
- unfounded
- unreal
- untrue
- untruthful
- apocryphal
- beguiling
- casuistic
- concocted
- contrary to fact
- cooked-up
- counterfactual
- deceiving
- delusive
- ersatz
- fallacious
- fishy
- illusive
- imaginary
- inexact
- lying
- mendacious
- misrepresentative
- off the mark
- sham
- sophistical
- trumped-up
- unsound
- broken
- cracked
- damaged
- defective
- deficient
- erroneous
- false
- flawed
- imprecise
- inaccurate
- inadequate
- incomplete
- insufficient
- invalid
- leaky
- malfunctioning
- unreliable
- adulterated
- amiss
- awry
- bad
- below par
- blamable
- blemished
- botched
- debased
- distorted
- fallacious
- fallible
- frail
- impaired
- imperfect
- inexact
- injured
- lame
- lemon
- maimed
- malformed
- marred
- out of order
- rank
- sick
- tainted
- unfit
- unretentive
- unsound
- warped
- weak
- wrong
- defenseless
- destitute
- disabled
- forlorn
- impotent
- paralyzed
- powerless
- unable
- unprotected
- weak
- abandoned
- basket-case
- debilitated
- dependent
- exposed
- feeble
- forsaken
- friendless
- inefficient
- inexpert
- infirm
- invalid
- over a barrel
- pinned
- prostrate
- shiftless
- tapped
- tapped out
- unfit
- up creek without paddle
- with hands tied
- illegal
- illicit
- improper
- invalid
- unauthorized
- unconstitutional
- unlawful
- contraband
- wrong
- misbegotten
- spurious
- supposititious
- unsanctioned
- wicked
- absurd
- false
- groundless
- implausible
- inconsistent
- incorrect
- irrational
- irrelevant
- preposterous
- senseless
- unreasonable
- unscientific
- untenable
- casuistic
- cockeyed
- fallacious
- fatuous
- faulty
- hollow
- inconclusive
- incongruous
- inconsequent
- invalid
- mad
- meaningless
- not following
- nutty
- off the wall
- screwy
- self-contradictory
- sophistic
- sophistical
- specious
- spurious
- unconnected
- unproved
- unsound
- unsubstantial
- wacky
- without basis
- without foundation
antonyms for in valid
MOST RELEVANT
- balanced
- logical
- rational
- realistic
- reasonable
- responsible
- sane
- sensible
- serious
- smart
- sound
- thoughtful
- well
- wise
- reflective
- stable
- circumspect
- consistent
- correct
- intelligent
- logical
- rational
- reasonable
- right
- sensible
- serious
- wise
- cheap
- economical
- low
- plain
- practical
- pragmatic
- realistic
- accurate
- balanced
- certain
- correct
- firm
- healthy
- honest
- just
- perfect
- protected
- rational
- reasonable
- reliable
- right
- safe
- sane
- secure
- sound
- stable
- steady
- strong
- sure
- true
- valid
- well
- accurate
- authentic
- correct
- fair
- faithful
- frank
- genuine
- honest
- moral
- open
- proven
- real
- right
- sincere
- sound
- true
- trustworthy
- truthful
- valid
- actual
- factual
- just
- known
- precise
- reliable
- straight
- substantiated
- accurate
- adequate
- ample
- complete
- correct
- enough
- faultless
- fixed
- flawless
- honest
- OK
- perfect
- reliable
- right
- sufficient
- true
- unbroken
- valid
- working
- sound
- strong
- able
- capable
- fit
- potent
- powerful
- secure
- strong
- competent
- enterprising
- independent
- resourceful
- skilled
- authorized
- good
- lawful
- legal
- legitimate
- moral
- proper
- right
- blessed
- ethical
- justifiable
- sanctioned
- warranted
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.