Synonyms of strengthen in English:

strengthen


See definition of strengthen

verb

1‘calcium helps strengthen growing bones’

SYNONYMS

make strong, make stronger, build up, give strength to, make healthy, nourish

ANTONYMS

weaken

2‘engineers strengthened the walls’

SYNONYMS

reinforce, make stronger, buttress, brace, shore up, underpin

rare underprop

3‘strengthened glass’

SYNONYMS

toughen, temper, anneal

4‘the wind had strengthened’

SYNONYMS

become strong, become stronger, gain strength, intensify, pick up, heighten

ANTONYMS

die down, ease off

5‘his insistence strengthened her determination’

SYNONYMS

fortify, bolster, make stronger, give strength to, give a boost to, boost, reinforce, harden, stiffen, toughen, steel, cement

increase, add to, fuel, add fuel to

renew, vitalize, give new energy to, buoy up, hearten

ANTONYMS

sap, weaken

6‘the organization strengthened its efforts to expand such programmes’

SYNONYMS

step up, increase, heighten, escalate, scale up

informal up, crank up, beef up

ANTONYMS

relax, decrease

7‘the argument is strengthened by evidence from clinical data’

SYNONYMS

reinforce, make more forceful, lend more weight to

support, back up, bolster, confirm, bear out, substantiate, corroborate, authenticate

consolidate

ANTONYMS

undermine