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underline

[ verb uhn-der-lahyn, uhn-der-lahyn; noun uhn-der-lahyn ]
/ verb ˈʌn dərˌlaɪn, ˌʌn dərˈlaɪn; noun ˈʌn dərˌlaɪn /
SEE SYNONYMS FOR underline

verb (used with object), un·der·lined, un·der·lin·ing.

to mark with a line or lines underneath; underscore.
to indicate the importance of; emphasize, as by stressing or italicizing.

noun

Printing. a caption under an illustration.
a line drawn under something; an underscore.

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Origin of underline

First recorded in 1715–25; under- + line1

OTHER WORDS FROM underline

un·der·lin·ing, un·der·lin·e·a·tion [uhn-der-lin-ee-ey-shuhn], /ˌʌn dərˌlɪn iˈeɪ ʃən/, nounun·der·lin·er, noun

Words nearby underline

underlayer, underlayment, underleaf, underlet, underlie, underline, underlinen, underling, underlit, under lock and key, underlying
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to underline

stress, indicate, accentuate, underscore, highlight, point up, caption, bracket, feature, rule, italicize, check off, play up, interlineate

Example sentences from the Web for underline

British Dictionary definitions for underline

underline

verb (ˌʌndəˈlaɪn) (tr)

to put a line under
to state forcibly; emphasize or reinforce

noun (ˈʌndəˌlaɪn)

a line underneath, esp 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