Possible Clues:

• Not very warm (water)
• Hardly enthusiastic, as a reaction
• Unenthusiastic little boy, about three and a bit
• Unenthusiastic about parliament's reception of president
• Having moderate heat
• Fairly weak
• Unenthusiastic, as a reaction
• Not exactly enthusiastic
• Decidedly unenthusiastic
• The warm little dear would come back before I would