ac·ri·mo·ni·ous [ak-ruh-moh-nee-uhs] (previously 04-14-13)
1. caustic, stinging, or bitter in nature, speech, behavior, etc.: an acrimonious answer; an acrimonious dispute.
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Origin: From the Medieval Latin word acrimoniosus, dating back to 1605–15. See acrimony, -ous
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