tighten

verb

tight·​en ˈtī-tᵊn 

tightened; tightening ˈtīt-niŋ 

ˈtī-tᵊn-iŋ

transitive verb

: to make tight or tighter

intransitive verb

: to become tight or tighter

tightener

ˈtīt-nər

ˈtī-tᵊn-ər 

noun

Phrases

tighten one's belt

: to practice strict economy

Synonyms

• tense
• stretch

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

Lockjaw, who has only tightened over the years, has discovered Bob and Willa’s whereabouts, and has sent in troops to apprehend them. —Justin Chang, New Yorker, 26 Sep. 2025

When compared with neck liposuction, Kybella simply doesn’t deliver the same level of definition and tightening that surgery can achieve. —Carlos Wolf, Miami Herald, 25 Sep. 2025

Or are those simply screws Vrabel’s staff will tighten with more time and practice? —Andrew Callahan, Boston Herald, 25 Sep. 2025

Adjustable hems Adjustable hems tighten with a toggle to trap heat. —Bestreviews, Mercury News, 24 Sep. 2025

Word History

First Known Use

circa 1727, in the meaning defined at transitive sense

Phrases Containing tighten

• tighten/put the thumbscrews on
• tighten the noose
• tighten the purse strings
• tighten the screws
• tighten up

Rhymes for tighten

• brighten
• chitin
• frighten
• heighten
• lighten
• phaeton
• titan
• triton
• whiten
• enlighten
• exciton
• periphyton

Kids Definition

tighten

verb

tight·​en ˈtīt-ᵊn 

tightened; tightening ˈtīt-niŋ 

-ᵊn-iŋ

: to make or become tight or tighter

tightener

-nər 

-ᵊn-ər

noun