underscore

1 of 2

verb

underscored; underscoring; underscores
Synonyms of underscore

transitive verb

1
: to draw a line under : underline
2
: to make evident : emphasize, stress
arrived early to underscore the importance of the occasion
3
: to provide (action on film) with accompanying music

underscore

2 of 2

noun

1
: a line drawn under a word or line especially for emphasis or to indicate intent to italicize
2
: music accompanying the action and dialogue of a film

Examples of underscore in a Sentence

Verb These failures underscore the difficulty of what we're attempting to do. The President's visit underscores the administration's commitment to free trade. She underscored the most important points.
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
Performance in the initial public offering market further underscores the widening gap between the two exchanges. — CNBC, 28 Oct. 2026 Its arrival on a coastline where billions of dollars are being invested in data centers underscores how extreme weather threatens both existing livelihoods and the infrastructure intended to drive future growth, said climate experts. — Sibi Arasu, Los Angeles Times, 28 Oct. 2026
Noun
The institute’s broader regional data underscore that divide. — Charlotte Observer, 24 Oct. 2026 But deep disagreements over territory and security guarantees that re-emerged this week underscore obstacles to ending the war. — ABC News, 24 Oct. 2026 See All Example Sentences for underscore

Word History

First Known Use

Verb

1770, in the meaning defined at sense 1

Noun

1901, in the meaning defined at sense 1

Time Traveler
The first known use of underscore was in 1770

Browse Nearby Words

Cite this Entry

“Underscore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underscore. Accessed 30 Oct. 2026.

Kids Definition

underscore

verb
un·​der·​score
ˈən-dər-ˌskō(ə)r, 
-ˌskȯ(ə)r
1
: to draw a line under : underline
2
underscore noun
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