Synonyms of unsuccessful

unsuccessful

adjective

ˌən-sək-ˈses-fəl 

as in futile

producing no results

an unsuccessful attempt to fix the faucet ourselves

Synonyms & Similar Words

• futile
• useless
• abortive
• unavailing
• fruitless
• impossible
• ineffective
• insufficient
• vain
• unprofitable
• in vain
• ineffectual
• worthless
• inadequate
• unproductive
• of no avail
• meaningless
• profitless
• empty
• lost
• bootless
• inefficacious
• not worth the candle
• barren
• no dice
• pointless
• hopeless
• otiose
• hollow
• valueless
• lacking
• idle
• unattainable
• counterproductive
• wanting
• no-win

Antonyms & Near Antonyms

• successful
• effective
• efficient
• profitable
• productive
• fruitful
• virtuous
• deadly
• worthwhile
• potent
• meaningful
• sufficient
• adequate
• efficacious
• effectual
• practical
• feasible
• applicable
• functional
• workable
• practicable
• usable
• realizable

Example Sentences

Recent Examples of unsuccessful

Several attempts to contact his ex-wife over multiple days were unsuccessful. — Kacen Bayless, Kansas City Star, 30 July 2026

Pavia and the Commodores finished the season strong, winning five of their last six games to make a late, though ultimately unsuccessful push for the College Football Playoff. — Sam Khan Jr, New York Times, 30 July 2026

The law was Walker’s signature legislative achievement, catapulting him onto the national political stage and spurring an unsuccessful attempt to recall him from office. — ABC News, 29 July 2026

The law was Walker's signature legislative achievement, catapulting him onto the national political stage and spurring an unsuccessful attempt to recall him from office. — CBS News, 29 July 2026