exasperate(adjective, verb) adjective1. (obsolete) Exasperated; embittered. verb1. exasperate or irritateSimilar word(s): aggravate, exacerbateDefinition categories: emotion, anger2. make furiousSimilar word(s): incense, infuriateDefinition categories: emotion, anger3. make worseSimilar word(s): aggravate, exacerbate, worsenDefinition categories: change, alter, modify