Try Our Apps
Dictionary.com

follow Dictionary.com

Avoid these words. Seriously.

underline

[verb uhn-der-lahyn, uhn-der-lahyn; noun uhn-der-lahyn] /verb ˈʌn dərˌlaɪn, ˌʌn dərˈlaɪn; noun ˈʌn dərˌlaɪn/
verb (used with object), underlined, underlining.
1.
to mark with a line or lines underneath; underscore.
2.
to indicate the importance of; emphasize, as by stressing or italicizing.
noun
3.
Printing. a caption under an illustration.
4.
a line drawn under something; an underscore.
Origin of underline
1715-1725
First recorded in 1715-25; under- + line1
Related forms
underlining, underlineation
[uhn-der-lin-ee-ey-shuh n] /ˌʌn dərˌlɪn iˈeɪ ʃən/ (Show IPA),
noun
underliner, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for underlining
Contemporary Examples
Historical Examples
  • This e-text uses a combination of underlining and mouse-hovers.

  • Smith used it continually, underlining his remarks with it, so to speak.

    In the Foreign Legion Erwin Rosen
  • Between a couple of—(underlining the word) Shirts, and brought it home.

    Puppets at Large F. Anstey
  • Material and color are indicated on the left by underlining.

    Library Bookbinding Arthur Low Bailey
  • She pointed to the message, underlining words with her finger.

    Badge of Infamy Lester del Rey
  • "My dear—I believe he drinks," she said, underlining the words.

    Captivity

    M. Leonora Eyles
  • Thereafter Mr. Saltus wrote "tolerance," and, underlining the word, added it to a list he had made.

    Edgar Saltus: The Man

    Marie Saltus
British Dictionary definitions for underlining

underline

verb (transitive) (ˌʌndəˈlaɪn)
1.
to put a line under
2.
to state forcibly; emphasize or reinforce
noun (ˈʌndəˌlaɪn)
3.
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
Cite This Source
Word Origin and History for underlining

underline

v.

1721, from under + line (v.). Cf. Dutch onderlijnen. Related: Underlined; underlining. The noun is attested from 1888.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Nearby words for underlining

Word Value for underlining

13
19
Scrabble Words With Friends