1. loyal and devoted; remaining true to someone or something
2. accurate and true to the original; exact
3. consistently reliable in performance or behavior

1. people who are loyal believers or supporters
Usage: often used with ‘the’

Examples

• She remained faithful to her husband throughout their marriage.
• The dog was a faithful companion for many years.
• The movie was faithful to the original book.
• He gave a faithful account of what happened.
• The old car has been faithful despite its age.
• The faithful gathered at the church for Sunday service.
• She was faithful in attending every meeting.