underline

1 of 2

verb

underlined; underlining; underlines

transitive verb

1
: to mark (something, such as a word) with a line underneath
2
: to put emphasis on : stress
3
: to show clearly or emphatically

underline

2 of 2

noun

un·​der·​line ˈən-dər-ˌlīn How to pronounce underline (audio)
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
Verb
To underline the threat from A.I., the host conducted a lengthy interview with a talking chatbot named Poe. Cade Metz, New York Times, 16 May 2024 The very flawed reasoning of that bit of parenting advice aside, the brevity of Eden’s scene with her father underlines the film’s biggest flaw (beyond there never being enough Oliver Platt). Mary McNamara, Los Angeles Times, 16 May 2024 See all Example Sentences for underline 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'underline.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near underline

Cite this Entry

“Underline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underline. Accessed 27 May. 2024.

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

More from Merriam-Webster on underline

Last Updated: - Updated example sentences
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