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

see also:

tighten one's belt

Synonyms of tighten

• 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

At the same time, a July 2026 Federal Reserve survey on bank lending practices showed that, compared to 2005, lending standards have tightened for all types of loans, except commercial and industrial lending. — Ryley Amond, CNBC, 27 Aug. 2026

The deterioration in DeepMind’s talent flows coincided with the lab tightening its publication rules, Hurd said, something that Zeki researchers say may have weakened one of the lab’s most important draws for research-minded staff. — Beatrice Nolan, Fortune, 27 Aug. 2026

The actress turned beauty maven has previously raved about the Lipofix Neck Firming and Lifting Sheet Mask, a plumping and tightening treatment for dry, crepey, mature skin. — Essence Wiley, InStyle, 26 Aug. 2026

In the aftermath, OpenAI froze some research projects and slowed others while tightening its sandboxes and expanding monitoring. — Alex Heath, Time, 26 Aug. 2026

Word History

First Known Use

circa 1727, in the meaning defined at transitive sense

Phrases Containing tighten

• tighten one's belt
• 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