underline
[ verb uhn-der-lahyn, uhn-der-lahyn; noun uhn-der-lahyn ]
/ verb ˈʌn dərˌlaɪn, ˌʌn dərˈlaɪn; noun ˈʌn dərˌlaɪn /
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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
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Question 1 of 9
Which of the following nouns has an irregular plural form?
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. 2022
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
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