| acerbate | (verb) make sour or bitter | - |
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| (verb) cause to be bitter or resentful | Synonyms: embitter, envenom |
| exacerbate | (verb) make worse | Synonyms: aggravate, exasperate, worsen |
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| (verb) exasperate or irritate | Synonyms: aggravate, exasperate |
| lacerate | (verb) cut or tear irregularly | - |
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| (verb) deeply hurt the feelings of; distress | - |
| macerate | (verb) soften, usually by steeping in liquid, and cause to disintegrate as a result | - |
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| (verb) become soft or separate and disintegrate as a result of excessive soaking | - |
| (verb) cause to grow thin or weak | Synonyms: emaciate, waste |
| (verb) separate into constituents by soaking | - |