Dictionary.com

underline

[ verb uhn-der-lahyn, uhn-der-lahyn; noun uhn-der-lahyn ]
/ verb 藞蕦n d蓹r藢la瑟n, 藢蕦n d蓹r藞la瑟n; noun 藞蕦n d蓹r藢la瑟n /
Save This Word!
See synonyms for: underline / underlined / underlining on Thesaurus.com

verb (used with object), un路der路lined, un路der路lin路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.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can鈥檛 figure out _____ gave me this gift.

Origin of underline

First recorded in 1715鈥25; under- + line1

OTHER WORDS FROM underline

un路der路lin路ing, un路der路lin路e路a路tion [uhn-der-lin-ee-ey-shuhn], /藢蕦n d蓹r藢l瑟n i藞e瑟 蕛蓹n/, nounun路der路lin路er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2023

How to use underline in a sentence

British Dictionary definitions for underline

underline

verb (藢蕦nd蓹藞la瑟n) (tr)
to put a line under
to state forcibly; emphasize or reinforce
noun (藞蕦nd蓹藢la瑟n)
a line underneath, esp under written matter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK