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in-effective
adjective as in incapable
adjective as in ineffective/ineffectual
Weak matches
- 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
adjective as in inefficient
adjective as in lame
Strongest matches
adjective as in null
adjective as in pale
adjective as in pointless
Strongest matches
adjective as in powerless
adjective as in spineless
adjective as in unfit
Strong matches
Weak matches
adjective as in unfit
Strongest matches
adjective as in unproductive
adjective as in unsuccessful
adjective as in useless
Strongest matches
adjective as in void
adjective as in wan
adjective as in weak
Strongest matches
adjective as in wishy-washy
adjective as in worthless
Strongest matches
adjective as in disappointing
adjective as in ineffective
Strongest matches
adjective as in otiose
Weak matches
adjective as in ineffectual
adjective as in otiose
adjective as in inefficacious
Weak matches
- 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
adjective as in inutile
Weak matches
- abortive
- bootless
- counterproductive
- disadvantageous
- dysfunctional
- expendable
- feckless
- fruitless
- futile
- good-for-nothing
- hopeless
- idle
- impracticable
- impractical
- incompetent
- ineffective
- ineffectual
- inept
- inoperative
- meaningless
- no good
- nonfunctional
- of no use
- pointless
- profitless
- purposeless
- scrap
- stupid
- unavailable
- unavailing
- unfunctional
- unproductive
- unprofitable
- unpurposed
- unusable
- unusuable
- unworkable
- vain
- valueless
- waste
- weak
- worthless
adjective as in no-account
Weak matches
- abandoned
- abject
- bogus
- cheap
- contemptible
- counterproductive
- despicable
- drossy
- futile
- ignoble
- inconsequential
- ineffective
- ineffectual
- insignificant
- inutile
- meaningless
- mediocre
- miserable
- no-good
- nugatory
- paltry
- pointless
- profitless
- sterile
- trashy
- trivial
- unavailing
- unessential
- unimportant
- unproductive
- unprofitable
- unusable
- useless
- valueless
- wretched
adjective as in no-good
Weak matches
- abandoned
- abject
- barren
- base
- bogus
- cheap
- contemptible
- counterproductive
- despicable
- drossy
- empty
- futile
- good-for-nothing
- ignoble
- inconsequential
- ineffective
- ineffectual
- inferior
- insignificant
- inutile
- meaningless
- mediocre
- miserable
- no-account
- nothing
- nugatory
- paltry
- pointless
- poor
- profitless
- sterile
- trashy
- trifling
- trivial
- unavailing
- unessential
- unimportant
- unproductive
- unprofitable
- unusable
- useless
- valueless
- waste
- wretched
adjective as in unusable
Strongest matches
adjective as in unworkmanlike
adjective as in waterish
adjective as in abortive
Strongest matches
adjective as in feckless
adjective as in fruitless
adjective as in futile
Strongest matches
adjective as in impotent
Strongest matches
adjective as in incapable
adjective as in ineffective/ineffectual
Weak matches
- 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
adjective as in inefficient
adjective as in lame
Strongest matches
adjective as in null
adjective as in pale
adjective as in pointless
Strongest matches
adjective as in powerless
adjective as in spineless
adjective as in unfit
Strong matches
Weak matches
adjective as in unfit
Strongest matches
adjective as in unproductive
adjective as in unsuccessful
adjective as in useless
Strongest matches
adjective as in void
adjective as in wan
adjective as in weak
Strongest matches
adjective as in wishy-washy
adjective as in worthless
Strongest matches
adjective as in disappointing
adjective as in ineffective
Strongest matches
adjective as in otiose
Weak matches
adjective as in ineffectual
adjective as in otiose
adjective as in inefficacious
Weak matches
- 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
adjective as in inutile
Weak matches
- abortive
- bootless
- counterproductive
- disadvantageous
- dysfunctional
- expendable
- feckless
- fruitless
- futile
- good-for-nothing
- hopeless
- idle
- impracticable
- impractical
- incompetent
- ineffective
- ineffectual
- inept
- inoperative
- meaningless
- no good
- nonfunctional
- of no use
- pointless
- profitless
- purposeless
- scrap
- stupid
- unavailable
- unavailing
- unfunctional
- unproductive
- unprofitable
- unpurposed
- unusable
- unusuable
- unworkable
- vain
- valueless
- waste
- weak
- worthless
adjective as in no-account
Weak matches
- abandoned
- abject
- bogus
- cheap
- contemptible
- counterproductive
- despicable
- drossy
- futile
- ignoble
- inconsequential
- ineffective
- ineffectual
- insignificant
- inutile
- meaningless
- mediocre
- miserable
- no-good
- nugatory
- paltry
- pointless
- profitless
- sterile
- trashy
- trivial
- unavailing
- unessential
- unimportant
- unproductive
- unprofitable
- unusable
- useless
- valueless
- wretched
adjective as in no-good
Weak matches
- abandoned
- abject
- barren
- base
- bogus
- cheap
- contemptible
- counterproductive
- despicable
- drossy
- empty
- futile
- good-for-nothing
- ignoble
- inconsequential
- ineffective
- ineffectual
- inferior
- insignificant
- inutile
- meaningless
- mediocre
- miserable
- no-account
- nothing
- nugatory
- paltry
- pointless
- poor
- profitless
- sterile
- trashy
- trifling
- trivial
- unavailing
- unessential
- unimportant
- unproductive
- unprofitable
- unusable
- useless
- valueless
- waste
- wretched
adjective as in unusable
Strongest matches
adjective as in unworkmanlike
adjective as in waterish
adjective as in abortive
Strongest matches
adjective as in feckless
adjective as in fruitless
adjective as in futile
Strongest matches
adjective as in impotent
Strongest matches
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On this page you'll find 1411 synonyms, antonyms, and words related to in-effective, such as: impotent, inadequate, incompetent, ineffective, ineligible, and naive.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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