loosen

verb

loos·​en ˈlü-sᵊn How to pronounce loosen (audio)
loosened; loosening ˈlü-sᵊn-iŋ How to pronounce loosen (audio)
ˈlüs-niŋ
Synonyms of loosennext

transitive verb

1
: to release from restraint
2
: to make looser
loosened his tie
loosen a screw
3
: to relieve (the bowels) of constipation
4
: to cause or permit to become less strict
often used with up
loosened the rules

intransitive verb

: to become loose or looser

Examples of loosen in a Sentence

He used a spade to loosen the soil. She loosened the cake from the sides of the pan. After eating so much I had to loosen my belt. When the meeting was over he loosened his tie. One of the screws had loosened a bit and had to be tightened. Each generation seems to loosen the established standards of behavior. Standards of behavior seem to be loosening everywhere.
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.
Other people’s reactions bleed into your own experience; the boundary between self and crowd loosens. Yook Jihun, Popular Science, 26 Mar. 2026 Trump has given Iran the deadline to loosen its grip on the critical maritime passage for the oil and shipping trades after extending his initial deadline Monday evening by five days, citing progress in peace negotiations. Bill Hutchinson, ABC News, 26 Mar. 2026 Yet the air campaign, costing billions of dollars, has not forced Iran to capitulate and loosen its grip on the strait. Sudarsan Raghavan, New Yorker, 25 Mar. 2026 Researchers studying sinus physiology have long observed that gentle vibration can help loosen mucus and encourage natural drainage. Matthew Kayser, USA Today, 25 Mar. 2026 See All Example Sentences for loosen

Word History

First Known Use

14th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of loosen was in the 14th century

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Cite this Entry

“Loosen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loosen. Accessed 3 Apr. 2026.

Kids Definition

loosen

verb
loos·​en ˈlüs-ᵊn How to pronounce loosen (audio)
loosened; loosening ˈlüs-niŋ How to pronounce loosen (audio)
-ᵊn-iŋ
1
: to set free
2
: to make or become loose or looser
3
: to cause or permit to become less strict
loosened the rules

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