tepid

tepid
    adj 1: moderately warm; "he hates lukewarm coffee"; "tepid bath
           water" [syn: {lukewarm}, {tepid}]
    2: feeling or showing little interest or enthusiasm; "a
       halfhearted effort"; "gave only lukewarm support to the
       candidate" [syn: {halfhearted}, {half-hearted}, {tepid},
       {lukewarm}]
    

Tepid \Tep"id\, a. [L. tepidus, fr. tepere to be warm; akin to
   Skr. tap to be warm, tapas heat.]
   Moderately warm; lukewarm; as, a tepid bath; tepid rays;
   tepid vapors. -- {Tep"id*ness}, n.
   [1913 Webster]
    

54 Moby Thesaurus words for "tepid":
      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