Synonyms and Antonyms of bolster
1 to hold up or serve as a foundation for <used additional beams to bolster the ceiling> Synonyms bear, support, brace, buttress, carry, prop (up), shore (up), stay, sustain, undergird, underpin, upholdRelated Words steady, truss, underlie
2 to provide evidence or information for (as a claim or idea) <a couple of tournament wins would bolster the extravagant claims that have been made on behalf of the young golfer> Synonyms back, support, buttress, corroborate, reinforce (also reenforce), shore (up), substantiateRelated Words confirm, establish, prove, verify; affirm, avouch, validateNear Antonyms undercut, undermine, weaken
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