Synonyms of 'tighten'
1 closeDictionary, narrow, strengthen
He answered by tightening his grip on her shoulder.
2 stretchDictionary, strain, tense
He flung his whole weight back, tightening the rope.
Make sure you don't stretch the pastry as you ease it into the corners.
Several thousand supporters strained to catch a glimpse of the new president.
His stomach muscles tensed.
The blood supply to the skin is reduced when muscles stiffen.
3 fastenDictionary, secure, screw
I used my thumbnail to tighten the screw.
4 contractDictionary, narrow, constrict
Her throat had tightened and she couldn't speak.
5 purseDictionary, narrow, compress
Martha tightened her lips and shook her head.
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If a part of your body, especially your throat, is constricted or if it constricts, something causes it to become narrower.
Severe migraine can be treated with a drug which constricts the blood vessels.
Fix the photo to the card using double-sided tape
Thesaurus for tighten from the Collins English Thesaurus
If you tighten your grip on something, or if your grip tightens , you hold the thing more firmly or securely.