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From under- +‎ score.


  • (UK) IPA(key): /ˈʌn.də(ɹ)ˌskɔː(ɹ)/
  • (file)


underscore (plural underscores)

  1. An underline; a line drawn or printed beneath text; the character _.
  2. (music) A piece of background music.



underscore (third-person singular simple present underscores, present participle underscoring, simple past and past participle underscored)

  1. To underline; to mark a line beneath text.
    • 2011, Matt Aimonetti, MacRuby: The Definitive Guide: Ruby and Cocoa on OS X (page 14)
      By convention, Rubyists usually underscore their method names.
  2. To emphasize or draw attention to.
    I wish to underscore the importance of proper formatting.
    • 1986, Richard Bauman, Story, Performance, and Event: Contextual Studies of Oral Narrative
      The tale thus underscores in expressive form the semiparadoxical fact that traders can lie by telling the truth.
  3. (Can we verify(+) this sense?) To minimize the active window on a computer running Microsoft Windows.
  4. (Can we verify(+) this sense?) To strike with the bottom side of an open hand (see karate chop).


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

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