Synonyms of tighten

tighten

verb

ˈtī-tᵊn 

as in to tense

to draw tight

tighten the straps on the backpack so that the load doesn't shift while hiking

Synonyms & Similar Words

• tense
• stretch
• tauten
• lengthen
• strain
• elongate
• extend
• constrict
• cinch

Antonyms & Near Antonyms

• loosen
• relax
• ease
• slacken
• slack

Example Sentences

Recent Examples of tighten

Even as Houthi leaders frame their actions in local terms, their alignment with Tehran appears to have tightened. — April Longley Alley, Foreign Affairs, 11 Sep. 2026

Silicate films of this kind are common across the immediate-tightening category. — Matthew Kayser, USA Today, 10 Sep. 2026

But as a violent gang war tightens its grip on the estate, residents begin disappearing without a trace. — Leo Barraclough, Variety, 10 Sep. 2026

Its hot iron core — oversized for such a small world — cools and contracts along with the mantle and crust, tightening the surface like a girdle to fit its new slimmer self. — ABC News, 10 Sep. 2026