unsuccessful

adjective

un·​suc·​cess·​ful ˌən-sək-ˈses-fəl How to pronounce unsuccessful (audio)
: not successful : not meeting with or producing success
unsuccessfully adverb

Examples of unsuccessful in a Sentence

His last novel was unsuccessful. an unsuccessful attempt to fix the faucet ourselves
Recent Examples on the Web The lender’s legitimacy also is in doubt after unsuccessful attempts by The Associated Press to verify its existence beyond an email address and court filing signed by a Gregory Naussany. Adrian Sainz, Fortune, 25 May 2024 The past year has been marked by JetBlue’s unsuccessful tie-ups with American Airlines and Spirit Airlines — and on separate occasions. Stella Shon, Travel + Leisure, 24 May 2024 See all Example Sentences for unsuccessful 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unsuccessful.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1617, in the meaning defined above

Time Traveler
The first known use of unsuccessful was in 1617

Dictionary Entries Near unsuccessful

Cite this Entry

“Unsuccessful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsuccessful. Accessed 31 May. 2024.

Kids Definition

unsuccessful

adjective
un·​suc·​cess·​ful ˌən(t)-sək-ˈses-fəl How to pronounce unsuccessful (audio)
: not successful : not having or producing success
unsuccessfully adverb

More from Merriam-Webster on unsuccessful

Last Updated: - Updated example sentences
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