1. Abandonment of allegianco or duty; revolt; apostasy.

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

• dereaction,
• deveation,
• defraction,
• effection,
• ditection,
• decection,
• dediction,
• derection,
• derction,
• defenition,
• dection,
• defication,
• defnition,
• defintion,
• decuction,
• defenetion,
• defacation,
• ifection,
• defelction,
• dysection

• defecator,
• defecation,
• defect,
• defective,
• depiction,
• defectively,
• de facto,
• depicting,
• depict,
• deposition,
• defector,
• deification.

The adjective form of the word "defection" is "defective".

The plural of the "defection" can be the "defections".

The singular of the "defection" can be the "defection".