D defs.my
Entry 2 senses Webster, 1913

Lukewarm

/(lūk"wa̤rm`)/ · Luke·warm · IPA /ˌlukˈwɔɹm/
01 a. Moderately warm; neither cold nor hot; tepid.
  1. 1.
    Moderately warm; neither cold nor hot; tepid.
  2. 2.
    Not ardent; not zealous; cool; indifferent.
    “An obedience so lukewarm and languishing that it merits not the name of passion.” Dryden.