Part of speech:
Unable to perform adequately; incompetent:
Lacking intensity or strength; faint:
(Obsolete) Lacking self-restraint.
Lacking vigor or effectiveness; inadequate:
(Economics) Adding nothing to exchangeable value.
Yielding no worthwhile result; fruitless; unprofitable
Having no useful result; ineffectual:
Not yielding the desired outcome; fruitless:
Causing or meant to cause abortion; abortifacient.
Given to doing nothing; lazy.
Careless and irresponsible:
Lacking force, vigor, or effectiveness:
(Rare) Without fruit.
Vain; futile; pointless
Not adequate; not sufficient; not equal to what is required
Not capable of producing a desired effect or result; ineffective.
Showing a lack of judgment, sense, or reason; inappropriate or foolish:
(Rare) Idle; indolent
Arousing or deserving of sympathetic sadness and compassion:
Not availing; futile; ineffectual
To make invalid; deprive of legal force
To invalidate either partially or completely.
not producing an intended effect
Find another word for ineffective. In this page you can discover 41 synonyms, antonyms, idiomatic expressions, and related words for ineffective, like: not effective, ineffectual, inefficient, incapable, bungling, weak, impotent, feeble, unproductive, unfruitful and futile.