Thesaurus / in efficacious
FEEDBACKsynonyms for in efficacious
synonyms for in efficacious
- abortive
- anticlimactic
- barren
- bootless
- defeasible
- feckless
- feeble
- forceless
- fruitless
- futile
- idle
- impotent
- inadequate
- incompetent
- indecisive
- inefficacious
- inefficient
- inept
- inferior
- innocuous
- inoperative
- invertebrate
- lame
- limited
- neutralized
- nugatory
- null
- null and void
- paltry
- powerless
- spineless
- unable
- unavailing
- unfruitful
- unproductive
- unprofitable
- unsuccessful
- vain
- void
- withered
- worthless
- disorganized
- faulty
- feeble
- incompetent
- ineffective
- ineffectual
- inept
- sloppy
- weak
- can't hack it
- careless
- extravagant
- half-baked
- improficient
- improvident
- incapable
- inefficacious
- inexpert
- not cut out for
- prodigal
- shooting blanks
- slack
- slipshod
- slovenly
- unfit
- unprepared
- unqualified
- unskilled
- unskillful
- untrained
- ineffective
- inoperative
- invalid
- unreal
- worthless
- bad
- barren
- imaginary
- negative
- nothing
- void
- absent
- characterless
- inefficacious
- nonexistent
- null and void
- powerless
- unavailing
- unsanctioned
- useless
- vain
- helpless
- impotent
- inadequate
- incapable
- not able
- powerless
- sidelined
- unfit
- weak
- can't cut it
- can't hack it
- can't make the grade
- clumsy
- hog-tied
- impuissant
- incapacitated
- incompetent
- ineffectual
- inefficacious
- inefficient
- inept
- inoperative
- no can do
- no good
- not cut out for
- not equal to
- not up to
- out of commission
- unfitted
- unqualified
- unskilled
- frivolous
- fruitless
- petty
- trivial
- abortive
- barren
- bootless
- delusive
- delusory
- empty
- going nowhere
- hollow
- idle
- inefficacious
- insignificant
- in vicious circle
- misleading
- not a prayer
- no-win
- nugatory
- on a treadmill
- otiose
- paltry
- pointless
- profitless
- puny
- senseless
- shuck
- slight
- sterile
- time-wasting
- trifling
- unavailing
- unimportant
- unnotable
- unproductive
- unprofitable
- valueless
- void
- worthless
- absurd
- illogical
- impossible
- improbable
- quixotic
- speculative
- unattainable
- unreal
- unusable
- unwise
- unworkable
- useless
- abstract
- chimerical
- idealistic
- impracticable
- inapplicable
- inefficacious
- infeasible
- inoperable
- ivory-tower
- no-go
- nonfunctional
- nonviable
- otherworldly
- romantic
- starry-eyed
- theoretical
- unbusinesslike
- unfeasible
- unserviceable
- visionary
- wild
- won't fly
- feeble
- fruitless
- futile
- impotent
- inadequate
- incompetent
- indecisive
- ineffectual
- inefficient
- inept
- limited
- null
- powerless
- unable
- unproductive
- unprofitable
- unsuccessful
- worthless
- abortive
- anticlimactic
- barren
- bootless
- defeasible
- emasculate
- epicene
- feckless
- forceless
- idle
- inefficacious
- inferior
- innocuous
- inoperative
- lame
- neutralized
- no-go
- not effective
- nugatory
- paltry
- slack-spined
- spineless
- unavailable
- unavailing
- unfruitful
- vain
- void
- withered
- abortive
- anticlimactic
- barren
- bootless
- defeasible
- feckless
- feeble
- forceless
- fruitless
- futile
- idle
- impotent
- inadequate
- incompetent
- indecisive
- ineffective
- inefficient
- inept
- inferior
- innocuous
- inoperative
- invertebrate
- lame
- limited
- neutralized
- nugatory
- null
- null and void
- paltry
- powerless
- spineless
- unable
- unavailing
- unfruitful
- unproductive
- unprofitable
- unsuccessful
- useless
- vain
- void
- withered
- worthless
- abstract
- absurd
- chimerical
- idealistic
- illogical
- impossible
- impractical
- improbable
- inapplicable
- inefficacious
- infeasible
- inoperable
- irrealizable
- ivory-tower
- no-go
- nonfunctional
- nonviable
- not a prayer
- otherworldly
- out of the question
- quixotic
- romantic
- speculative
- starry-eyed
- theoretical
- unattainable
- unbusinesslike
- unfeasible
- unreal
- unserviceable
- unusable
- unwise
- unworkable
- useless
- visionary
- wild
- won't fly
- impractical
- inoperable
- unattainable
- unworkable
- useless
- abstract
- absurd
- chimerical
- idealistic
- illogical
- impossible
- improbable
- inapplicable
- inefficacious
- infeasible
- irrealizable
- ivory-tower
- no-go
- nonfunctional
- nonviable
- not a prayer
- otherworldly
- out of the question
- quixotic
- romantic
- speculative
- starry-eyed
- theoretical
- unbusinesslike
- unfeasible
- unnegotiable
- unreal
- unwise
- visionary
- wild
- won't fly
- absurd
- illogical
- impossible
- impractical
- unattainable
- unusable
- useless
- abstract
- chimerical
- idealistic
- improbable
- inapplicable
- inefficacious
- infeasible
- inoperable
- irrealizable
- ivory-tower
- no-go
- nonfunctional
- nonviable
- not a prayer
- otherworldly
- out of the question
- quixotic
- romantic
- speculative
- starry-eyed
- theoretical
- unbusinesslike
- unfeasible
- unnegotiable
- unreal
- unserviceable
- visionary
- wild
- won't fly
- can't hack it
- careless
- disorganized
- extravagant
- faulty
- feeble
- half-baked
- improficient
- improvident
- inapt
- incapable
- incompetent
- ineffective
- ineffectual
- inefficacious
- inept
- inexpert
- not cut out for
- prodigal
- shooting blanks
- slack
- slipshod
- sloppy
- slovenly
- unfit
- unprepared
- unqualified
- unskilled
- unskillful
- untrained
- weak
- impossible
- improbable
- infeasible
- unfeasible
- unworkable
- abstract
- absurd
- chimerical
- idealistic
- illogical
- inapplicable
- inefficacious
- inoperable
- irrealizable
- ivory tower
- no-go
- nonfunctional
- nonviable
- not a prayer
- otherworldly
- out of the question
- quixotic
- romantic
- speculative
- starry-eyed
- theoretical
- unattainable
- unbusinesslike
- unreal
- unserviceable
- unusable
- unwise
- useless
- visionary
- wild
- won't fly
antonyms for in efficacious
MOST RELEVANT
- able
- capable
- competent
- dexterous
- effective
- fit
- neat
- skillful
- sound
- strong
- tidy
- efficient
- expert
- useful
- able
- adequate
- capable
- competent
- dexterous
- effective
- effectual
- efficient
- expert
- fit
- fruitful
- potent
- powerful
- productive
- profitable
- skillful
- strong
- successful
- sufficient
- useful
- valuable
- worthwhile
- worthy
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.