adjective
1.
moderately warm
a tepid bath
Synonyms: lukewarm, milk-warm, warmish
Related Word: mild, temperate, warm
Contrasted words: cold, cool, freezing, frozen; heated, hot, steaming
2.
lacking in animation, force, passion, conviction, or commitment
gave only a tepid endorsement to the candidate
Synonyms: halfhearted, lukewarm, unenthusiastic; compare arid 2
Related Word: indifferent; colorless, dull, lifeless, unlively; feeble, marrowless, pithless, sapless, spiritless; dim, faint, forceless, weak
Contrasted words: animated, forceful; fiery, impassioned, passionate, spirited