(a.) Moderately warm; neither cold nor hot; tepid; not ardent; not zealous; cool; indifferent.

Laodicean aestival apathetic blood-hot blood-warm calid chill chilly cold cool equatorial fervorless genial half-baked halfhearted hesitant indecisive indevotional indevout indifferent indifferentist insouciant irresolute irresolved lackadaisical luke mild neuter neutral nonchalant nonobservant nonreligious perfunctory phlegmatic room temperature room-temperature subtropical summery sunny sunshiny temperate tepid thermal thermic toasty tropical uncertain uncommitted undecided undevout undutiful unenthusiastic unfrozen unmoved unreligious unresolved unresponsive warm warm as toast warmish wishy-washy zealless