caustic [adjective]: capable of burning; sarcastic, biting.
Example: Your caustic remarks are not going to win you any friends.
Related words: caustically [adverb], causticity [noun]
Synonyms: abrasive, acerbic, acid, acrid, acrimonious, astringent, biting, corroding, harsh, mordant, pungent, sharp, stinging, tartAntonyms: calming, palliative, reassuring, soothing
Tags: GRE
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