1. One who has apostatized.

2. False; traitorous.

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

• apostile,
• appitate,
• pastate,
• postuate,
• aposlte,
• appetate,
• apostive,
• porstate,
• apretate,
• aposite,
• apostasy,
• appostate,
• apostat,
• autostrata,
• ajustage,
• apocopate,
• Apostomate,
• Avosate,
• Masostate,
• sepostare

• apostatise,
• apposite,
• apostrophe,
• apostatize,
• apostasy,
• apostleship,
• apostle.

The adjective form of "apostate" is "apostate".

The plural of the "apostate" can be the "apostates".

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