Antichrist: Meaning and Definition of

An•ti•christ

1. a particular personage or power, variously identified or explained, who is conceived of as appearing in the world as the principal antagonist of Christ.
2. (sometimes l.c.) an opponent of Christ; a person or power antagonistic to Christ.
3. (often l.c.) a disbeliever in Christ.
4. (often l.c.) a false Christ.