[ verb uhn-der-skawr, -skohr, uhn-der-skawr, -skohr; noun uhn-der-skawr, -skohr ]
See synonyms for: underscoreunderscoredunderscores on Thesaurus.com

verb (used with object),un·der·scored, un·der·scor·ing.
  1. to mark with a line or lines underneath; underline, as for emphasis.

  2. to stress; emphasize: The recent tragedy underscores the danger of disregarding safety rules.

  1. a line drawn beneath something written or printed.

  2. music for a film soundtrack; background for a film or stage production.

Origin of underscore

First recorded in 1765–75; under- + score

Words Nearby underscore

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use underscore in a sentence

British Dictionary definitions for underscore


verb(ˌʌndəˈskɔː) (tr)
  1. to draw or score a line or mark under

  2. to stress or reinforce

  1. a line drawn under written matter

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