1. In a concave manner.

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

• concaved,
• xoncavely,
• voncavely,
• foncavely,
• doncavely,
• cincavely,
• ckncavely,
• clncavely,
• cpncavely,
• c0ncavely,
• c9ncavely,
• cobcavely,
• comcavely,
• cojcavely,
• cohcavely,
• concavly,
• concavey,
• concavley,
• concavelly,
• coacitvely

• concavity,
• concaveness,
• conceive,
• concave,
• conceived,
• concave lens,
• conceiver,
• conceive of.

The adjective form of the word "concavely" is "concave".