underlined; underlining; underlines
Synonyms of underlinenext

transitive verb

1
: to mark (something, such as a word) with a line underneath
2
: to put emphasis on : stress
The incident underlines our need our need for better procedures.
3
: to show clearly or emphatically

underline

2 of 2

noun

1
: the outline of a quadruped's underbody
also : the ventral surface of a quadruped's body
2
: a horizontal line placed underneath something

Examples of underline in a Sentence

Verb His name was underlined in the book. The accident underlines our need for better safety procedures.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
But Sporting’s first goal saw Goncalo Inacio rise above Wood to head them level from a corner in the 14th minute — and the Portuguese side regularly looked a threat from corners — to further underline Glasner’s worries. Paul Taylor, New York Times, 1 Aug. 2026 To underline Zelensky’s point, authorities said 10-year-old child and an adult were killed and three other people were injured in a Russian drone attack on a supermarket in Chernihiv on Sunday, according to local authorities. Tim Lister, CNN Money, 26 July 2026
Noun
That the ambition existed at all underlines how the two most powerful bodies in world football are wrapped up in a forever war for the economic and political control of the global game. Adam Crafton, New York Times, 31 July 2026 Not coincidentally, this default has a lot in common with Anthropic’s own branding—beigey backgrounds, off-red highlight colors, big typefaces, lots of serifs and underlines. Kyle Chayka, New Yorker, 24 June 2026 See All Example Sentences for underline

Word History

First Known Use

Verb

1721, in the meaning defined at sense 1

Noun

1886, in the meaning defined at sense 1

Time Traveler
The first known use of underline was in 1721

Browse Nearby Words

Cite this Entry

“Underline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underline. Accessed 5 Aug. 2026.

Kids Definition

underline

verb
un·​der·​line
ˈən-dər-ˌlīn
ˌən-dər-ˈlīn
1
: to draw a line under : underscore
2
underline
ˈən-dər-ˌlīn
noun

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