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.

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

1. fitting very or too closely.

Nov 11, 2025 · tighten (third-person singular simple present tightens, present participle tightening, simple past and past participle tightened) (transitive) To make tighter.

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]

Apr 30, 2025 · "Tighten" is a verb that generally means to make something more secure or firm by reducing looseness or slack. It’s a dynamic word often used when referring to physical objects, …

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

When you tighten a screw, nut, or other device, you turn it or move it so that it is more firmly in place or holds something more firmly. I used my thumbnail to tighten the screw on my lamp.

tighten definition: make something more secure or firm. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "tighten down", "tighten up", …