unsuccessful

adjective

un·​suc·​cess·​ful ˌən-sək-ˈses-fəl How to pronounce unsuccessful (audio)
Synonyms of unsuccessfulnext
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The couple share three adult children and frequently appeared together during his political career, which spanned several terms as a North Miami councilman, a term as North Miami mayor and an unsuccessful bid for county commissioner. Jacqueline Charles, Miami Herald, 14 Mar. 2026 Anaheim challenged for goaltender interference but was unsuccessful. ABC News, 14 Mar. 2026 Multiple attempts to reach the property owner were unsuccessful. Briah Lumpkins, Charlotte Observer, 12 Mar. 2026 The paramedics attempted to revive the man but were unsuccessful. Staff Report, Hartford Courant, 12 Mar. 2026 See All Example Sentences for unsuccessful

Word History

First Known Use

1617, in the meaning defined above

Time Traveler
The first known use of unsuccessful was in 1617

Browse Nearby Words

Cite this Entry

“Unsuccessful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsuccessful. Accessed 16 Mar. 2026.

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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