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.
All night, the fog had stubbornly hidden the stars in the dark, impenetrable sky, but now the sliver of light widened little by little into a luminous band, a hazy phosphorescence that slowly spread and took over. Literary Hub, 22 Jan. 2026 Specifically, the efforts will widen the sidewalks to at least four-and-a-half feet — with some areas seeing 8-foot sidewalks — and narrow the roads to 29 feet to help slow traffic down, Ley said. Taylor O'Connor, Kansas City Star, 21 Jan. 2026 In today’s environment, dispersion between winners and losers is widening, creating a fertile landscape for alpha generation. Carrie McCabe, Forbes.com, 21 Jan. 2026 With a bottomless well of ideas, relentless encouragement, and a grin that only seems to widen by the season, the Wichita, Kansas, native runs TV’s most prolific reality competition series as the most benevolent of dictators. David Canfield, Vanity Fair, 20 Jan. 2026 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 28 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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