Synonyms of sharpen
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ameliorateIf someone or something ameliorates a situation, they make it better or easier in some way.
• Nothing can be done to ameliorate the situation.
animateTo animate something means to make it lively or more cheerful.
• There was little about the game to animate the crowd.
enlivenencourageexciteurgeinspirestirsparkmovefirespurstimulatereviveactivaterouseprodquickeninciteinstigatekick-start (informal)impelenergizekindleemboldenliven upbreathe life intoinvigorategladdengee upvitalizevivifyinspirit
arouseIf something arouses you, it makes you feel angry.
• He apologized, saying this subject always aroused him.
Thesaurus for sharpen from the Collins English Thesaurus