Not effective
Synonyms for Not effective
- fruitlessuseless
- incompetentuseless
- unprofitableuseless
- futileuseless
- ineffectualuseless
- powerlessuseless
- impotent
- null
- inept
- inefficient
- unproductive
- unable
- worthless
- indecisive
- forceless
- barren
- nugatory
- paltry
- spineless
- unavailable
- unavailing
- void
- withered
- anticlimactic
- defeasible
- no way
- unfruitful
- neutralized
- no go
- slack-spined
For more similar words, try Not effective on Thesaurus.plus dictionary