What is tepid?

Tepid is an adjective that is used to describe something that is lukewarm or moderately warm. It can also mean a lack of enthusiasm or excitement, as in tepid applause. In medical contexts, tepid refers to a temperature that is slightly above or below normal body temperature, used in treatments such as tepid sponge baths for fever reduction. The word comes from the Latin word "tepidus," which means "lukewarm."