1. In a lukewarm manner.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• kukewarmly,
• pukewarmly,
• oukewarmly,
• lykewarmly,
• lhkewarmly,
• ljkewarmly,
• likewarmly,
• l8kewarmly,
• l7kewarmly,
• lujewarmly,
• lumewarmly,
• lulewarmly,
• luoewarmly,
• luiewarmly,
• lukwarmly,
• lukewarmlly,
• lukewarmli,
• lukewarmely,
• lukewarmley,
• lukwarmely

• lukewarm,
• lukewarmness.

The adjective form of "lukewarmly" is "lukewarm".