(a.) Moderately warm; lukewarm; as, a tepid bath; tepid rays; tepid vapors.

Laodicean aestival apathetic arid blase blood-hot blood-warm calid cold colorless cool dim dull equatorial faint feeble fervorless forceless genial halfhearted indifferent lifeless luke lukewarm marrowless mild neuter neutral nonchalant perfunctory pithless room-temperature sapless spiritless subtropical summery sunny sunshiny temperate thermal thermic toasty tropical uncaring unconcerned unenthusiastic unfrozen uninterested unlively warm warm as toast warmish weak zealless