1. Moderately warm
   "tepid bath water"
   - lukewarm 
2. Feeling or showing little interest or enthusiasm
   - halfhearted, half-hearted, lukewarm

See also: tepidness, unenthusiastic, warm

• bimester
• bimestrial
• bimetal
• bimetallic
• bleeding
• bleeding heart
• bleeding tooth
• bleeding-edge
• bleep
• bleeper
• blemish
• blemished
• blench
• blend
• blend in
• blende
• blended
• blended whiskey
• blended whisky
• blender
• blending
• Blenheim
• Blenheim spaniel
• Blenniidae
• blennioid