Synonyms of tighten in English:

tighten


See definition of tighten

verb

1‘when the structure is flat, tighten up the fixing screws’

SYNONYMS
secure, make fast, make more secure, screw up, give an extra turn to
ANTONYMS

loosen

2‘he tightened his grip on her arm’

SYNONYMS
strengthen, make stronger, reinforce, harden, consolidate
ANTONYMS

loosen

3‘she tightened the rope about his ankles’

SYNONYMS
tauten, draw taut, make taut, draw tight, make tight, stretch, strain, extend, make rigid, rigidify, stiffen, tense
ANTONYMS

slacken

4‘my throat tightened’

SYNONYMS
narrow, become narrow, become narrower, become tight, become tighter, become pinched
constrict, contract, brace, draw in, compress, screw up, pucker, purse
North American squinch
rare constringe
ANTONYMS

relax

5‘councillors have asked supermarkets to tighten up car park security’

SYNONYMS
increase, make stricter, make more rigorous, make more stringent, make more rigid, stiffen, toughen, toughen up, heighten, escalate, scale up
informal up, crank up, beef, beef up
ANTONYMS

relax


Phrases

    tighten one's belt

    ‘why dip into our savings, if we can tighten our belts instead?’


    SYNONYMS
    economize, cut back, make cutbacks, make cuts, retrench, husband one's resources, budget, be economical, be more economical, make economies, be thrifty, be sparing, be frugal, buy cheaply, buy more cheaply, use less, decrease wastage, reduce wastage, scrimp, scrimp and save, scrimp and scrape, cut corners, draw in one's horns, count the pennies, count your pennies, watch the pennies, watch your pennies
    save, save money, cut expenditure, cut costs
    North American pinch the pennies, pinch your pennies
    US dialect rake and scrape