Definitions

ineffective

[in-i-fek-tiv] / ˌɪn ɪˈfɛk tɪv /

ADJECTIVE

useless

Synonyms

STRONGEST

feeble fruitless futile impotent inadequate incompetent indecisive ineffectual inefficient inept limited null powerless unable unproductive unprofitable unsuccessful worthless

WEAK

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

Antonyms

STRONGEST

able adequate capable competent dexterous effective effectual efficient expert fit fruitful potent powerful productive profitable skillful strong successful sufficient useful valuable worthwhile worthy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While the Strategic Petroleum Reserve holds 415 million barrels, traders warn a release may be ineffective due to vessel availability.

From Barron's

The move was "ineffective" and reflected "unfavourably on the culture of the Home Office", the Home Affairs Committee report concluded.

From BBC

His team, so ineffective in defeat by Italy a week before, were ruthless.

From BBC

Some AI tools are also reported to be completely ineffective in spite of their price tag.

From Salon

Social media companies have argued that the bans would be ineffective, difficult to implement and could isolate vulnerable teenagers.

From BBC