The meaning of TIGHTEN is to make tight or tighter. How to use tighten in a sentence.

TIGHTEN definition: 1. to become tighter or to make something become tighter, firmer, or less easy to move: 2. to…. Learn more.

1. fitting very or too closely.

Idioms tighten one's belt, to respond to difficult times by reducing one's spending: The family had to tighten their belts so the children could go to college. tight•en•er, n. [countable]

Feb 17, 2026 · Verb tighten (third-person singular simple present tightens, present participle tightening, simple past and past participle tightened) (transitive) To make tighter.

TIGHTEN definition: to make or become tight or tighter. See examples of tighten used in a sentence.

Tighten definition: To make or become tight or tighter.

To tighten means to make something more fixed, secure or rigid by causing its parts to come closer or by reducing slack. It can also refer to the act of making something stricter or more …

Definition of tighten verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

tighten definition: hold something more firmly. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "tighten up", "tighten belt", "tighten down".