Dictionary

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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Examples of UNSUCCESSFUL

  1. His last novel was unsuccessful.
  2. <an unsuccessful attempt to fix the faucet ourselves>

First Known Use of UNSUCCESSFUL

1617
UNSUCCESSFUL Defined for Kids

unsuccessful

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

Definition of UNSUCCESSFUL for Kids

:  not ending in or having gained success <an unsuccessful attempt>
un·suc·cess·ful·ly \-fə-lē\ adverb

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