The definition of tepid is something that is lukewarm, not hot. It also is someone or something that indicates very little warmth or enthusiasm.(adjective)
See tepid in Webster's New World College Dictionary
Origin: ME teped < L tepidus < tepere, to be slightly warm < IE base *tep-, to be warm > Sans tapati, (it) burns
See tepid in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Latin tepidus
Origin: , from tepēre, to be lukewarm.
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