tighten

verb

tight·​en ˈtī-tᵊn How to pronounce tighten (audio)
tightened; tightening ˈtīt-niŋ How to pronounce tighten (audio)
ˈtī-tᵊn-iŋ
Synonyms of tightennext

intransitive verb

: to become tight or tighter
tightener
ˈtīt-nər
ˈtī-tᵊn-ər How to pronounce tighten (audio)
noun
see also:

Examples of tighten in a Sentence

She tightened her hold on the handle. tighten the straps on the backpack so that the load doesn't shift while hiking
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.
According to the agency, the Dodd-Frank Act, a 2010 law passed in the wake of the housing crash to tighten financial oversight, expanded its authority by giving it control over swaps, a type of derivative contract. Mary Cunningham, CBS News, 24 June 2026 Gently tighten your abdominal muscles and flatten your lower back into the floor. Rikkilynn Shields Hannigan, Health, 24 June 2026 When markets tighten, reputational stability helps protect pricing, strengthen negotiating leverage and attract talent willing to commit long-term. Nick Leighton, Forbes.com, 23 June 2026 The data also comes as Singapore’s central bank tightened its monetary policy settings in April, its first policy tightening since April 2022, citing inflation risks stemming from the conflict in the Middle East. Lim Hui Jie, CNBC, 23 June 2026 See All Example Sentences for tighten

Word History

First Known Use

circa 1727, in the meaning defined at transitive sense

Time Traveler
The first known use of tighten was circa 1727

Browse Nearby Words

Cite this Entry

“Tighten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tighten. Accessed 28 Jun. 2026.

Kids Definition

tighten

verb
tight·​en ˈtīt-ᵊn How to pronounce tighten (audio)
tightened; tightening ˈtīt-niŋ How to pronounce tighten (audio)
-ᵊn-iŋ
: to make or become tight or tighter
tightener
-nər How to pronounce tighten (audio)
-ᵊn-ər
noun

More from Merriam-Webster on tighten

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster