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[verb uhn-der-skawr, -skohr, uhn-der-skawr, -skohr; noun uhn-der-skawr, -skohr] /verb ˈʌn dərˌskɔr, -ˌskoʊr, ˌʌn dərˈskɔr, -ˈskoʊr; noun ˈʌn dərˌskɔr, -ˌskoʊr/
verb (used with object), underscored, underscoring.
to mark with a line or lines underneath; underline, as for emphasis.
to stress; emphasize:
The recent tragedy underscores the danger of disregarding safety rules.
a line drawn beneath something written or printed.
music for a film soundtrack; background for a film or stage production.
Origin of underscore
1765-75; under- + score Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for underscore
Contemporary Examples
Historical Examples
  • Miss PaysleyI mean you underscore strength too much among the other virtues.

  • This is not, repeat, underscore, not an intervention in planetary government.

    A Slave is a Slave Henry Beam Piper
  • In the following sentences, underscore the adjectives which are connected by co-ordinate conjunctions.

    Plain English Marian Wharton
  • So we underscore them, putting a single score under k, and a double one under k′.

    Symbolic Logic Lewis Carroll
  • I underscore the word "hotter," to denote the prevalent theory.

    The American Indians Henry R. Schoolcraft
British Dictionary definitions for underscore


verb (transitive) (ˌʌndəˈskɔː)
to draw or score a line or mark under
to stress or reinforce
noun (ˈʌndəˌskɔː)
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
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Word Origin and History for underscore

1771, "to draw a line under," from under + score (v.). The figurative sense of "to emphasize" is attested from 1891. Noun meaning "a line drawn below (something)" is recorded from 1901.

Online Etymology Dictionary, © 2010 Douglas Harper
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underscore in Technology

_, ASCII 95.
Common names: ITU-T: underline; underscore; underbar; under. Rare: score; backarrow; skid; INTERCAL: flatworm.
See also left arrow.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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