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

If Iranian defenses influenced by Chinese technology prove ineffective against U.S. and Israeli forces, countries considering Chinese weapons will take notice.

From The Wall Street Journal • Mar. 15, 2026

Hurt by turnovers, an ineffective full-court press and a failure to hustle back, Sylmar gave up 14 consecutive baskets on layups and found itself trailing 77-56 early in the fourth quarter.

From Los Angeles Times • Mar. 13, 2026

On rare occasions, the opposition may deploy a unique defensive tactic from corners and catch the attacking side off-guard, making their preparation ineffective.

From BBC • Mar. 8, 2026

One of the reasons he was so notoriously ineffective in debate was that argument itself offended him.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis

ineffective

Example Sentences

Related Words