underline
[ verb uhn-der-lahyn, uhn-der-lahyn; noun uhn-der-lahyn ]
/ verb ˈʌn dərˌlaɪn, ˌʌn dərˈlaɪn; noun ˈʌn dərˌlaɪn /
Save This Word!
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.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
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, nounDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use underline in a sentence
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