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Synonyms

unsuccessful

American  
[uhn-suhk-ses-fuhl] / ˌʌn səkˈsɛs fəl /

adjective

  1. not achieving or not attended with success.

    an unsuccessful person;

    an unsuccessful venture.

    Synonyms:
    baffled, foiled, unfortunate, hapless

unsuccessful British  
/ ˌʌnsəkˈsɛsfʊl /

adjective

  1. not having succeeded

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • unsuccessfully adverb
  • unsuccessfulness noun

Etymology

Origin of unsuccessful

First recorded in 1610–20; un- 1 + successful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Efforts to reach Sim, who U.S. officials say is living in China, were unsuccessful.

From The Wall Street Journal

This may seem like an unlikely crusade for the president, but the proposal to insure hair loss treatment was a rallying cry in Lee's unsuccessful 2022 presidential campaign.

From BBC

After an unsuccessful run for Los Angeles County district attorney in 2012, Jackson switched sides.

From The Wall Street Journal

According to a memo from the league to teams, however, “those discussions have been unsuccessful.”

From The Wall Street Journal

From 2023, he made three unsuccessful attempts to migrate to Europe, reaching as far as Morocco.

From Barron's