widen

verb

wid·​en ˈwī-dᵊn How to pronounce widen (audio)
widened; widening ˈwīd-niŋ How to pronounce widen (audio)
ˈwī-dᵊn-iŋ
Synonyms of widennext

transitive verb

: to increase the width, scope, or extent of
widen a road
widen an investigation

intransitive verb

: to become wide or wider
a widening gap
widener
ˈwīd-nər How to pronounce widen (audio)
ˈwī-dᵊn-ər
noun

Examples of widen in a Sentence

The city is going to widen the road. They plan to widen the investigation. Her eyes widened in surprise. They went swimming at a spot where the river widens. The scope of the investigation has widened.
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.
And in Placer County, Congressman Kevin Kiley announced a $22 million federal grant to widen Highway 65 by Rocklin, citing the traffic. Ariane Lange, Sacbee.com, 1 Jan. 2026 Credit-default swaps — insurance that pays out if a borrower can't service its debt — have widened to multi-year highs for Oracle. Mackenzie Sigalos, CNBC, 1 Jan. 2026 Xi’s widening purge has ousted scores of military generals and investigated a record number of high-level officials for corruption this year. Bloomberg, Fortune, 31 Dec. 2025 In March, Caltrans presented the Planning Group with three alternatives for more improvements to increase safety, relieve congestion and improve evacuation routes in case of a wildfire — including one that would include widening the highway to four lanes. Susan Gill Vardon, San Diego Union-Tribune, 31 Dec. 2025 See All Example Sentences for widen

Word History

First Known Use

1566, in the meaning defined at transitive sense

Time Traveler
The first known use of widen was in 1566

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Cite this Entry

“Widen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/widen. Accessed 5 Jan. 2026.

Kids Definition

widen

verb
wid·​en ˈwīd-ᵊn How to pronounce widen (audio)
widened; widening ˈwīd-niŋ How to pronounce widen (audio)
-ᵊn-iŋ
: to make or become wide or wider : broaden

More from Merriam-Webster on widen

Last Updated: - Updated example sentences
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