faithful: Meaning and Definition of

faith•ful

1. strict or thorough in the performance of duty: a faithful worker.
2. true to one's word, promises, vows, etc.
3. steady in allegiance or affection; loyal; constant: faithful friends.
4. reliable, trusted, or believed.
5. adhering or true to fact, a standard, or an original; accurate: a faithful account; a faithful copy.
6. full of faith; believing.

1. the believers, esp. members of a Christian church or adherents of Islam.
2. the body of loyal members of any party or group.