Definition of unsuccessful
: not successful : not meeting with or producing success
unsuccessfullyplay \-fə-lē\ adverb
Examples of unsuccessful in a sentence
His last novel was unsuccessful.
<an unsuccessful attempt to fix the faucet ourselves>
First Known Use of unsuccessful
UNSUCCESSFUL Defined for English Language Learners
Definition of unsuccessful for English Language Learners
: not having or producing success : not successful
UNSUCCESSFUL Defined for Kids
Definition of unsuccessful for Students
: not ending in or having gained success <an unsuccessful attempt>
Seen and Heard
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