unsuccessful

adjective un·suc·cess·ful \-fəl\

: not having or producing success : not successful

Full Definition of UNSUCCESSFUL

: not successful : not meeting with or producing success

— un·suc·cess·ful·ly \-fə-lē\ adverb

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1617

Synonyms: abortive, barren, bootless, empty, fruitless, ineffective, ineffectual, inefficacious, otiose, profitless, unavailing, unproductive, unprofitable, futile, useless, vain

Antonyms: deadly, effective, effectual, efficacious, efficient, fruitful, potent, productive, profitable, successful, virtuous

UNSUCCESSFUL Defined for Kids

adjective un·suc·cess·ful \ˌən-sək-ˈses-fəl\

: not ending in or having gained success <an unsuccessful attempt>

— un·suc·cess·ful·ly \-fə-lē\ adverb

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