Synonyms of bolster in English:

bolster


See US English definition of bolster

See UK English definition of bolster

See Spanish definition of reforzar

noun

1‘most of them were sitting on the floor which was strewn with cushions, bolsters, and rugs’

SYNONYMS
pillow, cushion, pad, support, rest

verb

1‘going away for a few days would bolster her morale’

SYNONYMS
strengthen, support, reinforce, make stronger, boost, fortify, give a boost to
prop up, buoy up, shore up, hold up, maintain, buttress, brace, stiffen, uphold
aid, assist, help
supplement, augment, feed, add to, increase
revitalize, invigorate, renew, regenerate
ANTONYMS

undermine