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.

Maybe that’s true — but it doesn’t mean it’s rhetorically ineffective.

From MarketWatch • Apr. 2, 2026

State lawmakers passed the new measures in response to healthcare professionals who said that efforts to change a teenager’s sexual orientation were both ineffective and harmful.

From Los Angeles Times • Mar. 31, 2026

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

From Barron's • Mar. 3, 2026

Besides pulling off dozens of ticks, Bardwell recalled the main challenge being “wait-a-minute vines,” made tougher by cheap, ineffective machetes.

From The Wall Street Journal • Feb. 23, 2026

I feel her wave of worry like a patio heater—faint and ineffective, but constant.

From "Challenger Deep" by Neal Shusterman

ineffective

Example Sentences

Related Words