ineffective

adjective
ˌɪnɪˈfɛktɪv

Meaning

Not producing any significant or desired effect; not achieving the intended result.
not producing any significant or desired effect; useless; unsuccessful

Example Sentences

Rote learning often proves to be ineffective.

The new policy proved to be ineffective in reducing crime rates.

Synonyms

useless, unsuccessful, futile, unproductive, powerless, inadequate
Entry 1
useless, unsuccessful, futile, unproductive, powerless, inadequate
Entry 2
useless, unsuccessful, futile, powerless

Antonyms

effective, functional, successful, productive, powerful, efficient
Entry 1
effective, functional, successful, productive, powerful, efficient
Entry 2
effective, successful, powerful, efficient

Collocations

ineffective treatment, ineffective method, prove ineffective

Related Vocabularies

not yielding profit or gain; not producing financial benefit
Having the capability to cause severe and gradual harm or damage.
Unable to make decisions quickly or firmly.
bad-tempered and gloomy; silently resentful
Serving or intended to prevent something by taking action first.
Quick to detect or respond to slight changes, signals, or influences; easily affected emotionally or...

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