faithful

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Adhering firmly and devotedly, as to a person, cause, or idea; loyal.
2. adj. Engaging in sex only with one's spouse or only with one's partner in a sexual relationship.
3. adj. Having or full of faith.
4. adj. Worthy of trust or belief; reliable.
5. adj. Consistent with truth or actuality: a faithful reproduction of the portrait.
6. n. The practicing members of a religious faith, especially of Christianity or Islam: a pilgrimage to Mecca made by the faithful.
7. n. The steadfast adherents of a faith or cause: a meeting of the party faithful.

Century Dictionary and Cyclopedia

1. Full of faith; having faith; believing.
2. Firm in faith; full of loyalty and fidelity; true and constant in affection or allegiance to a person to whom one is bound, or in the performance of duties or services; exact in attending to commands: as, a faithful subject; a faithful servant; a faithful husband or wife.
3. Observant of compacts, treaties, contracts, vows, or other engagements; true to one's word: as, a government faithful to its treaties; faithful to one's word.
4. Trust worthy; true; exact; conforming to the letter and spirit; conformable to truth or to a prototype: as, a faithful execution of a will; a faithful narrative; a faithful likeness.
5. True; worthy of belief; truthful: as, a faithful witness.
6. Synonyms Truthful, careful, trusty, trustworthy, stanch, incorruptible, reliable.
7. Close, strict, accurate, conscientious.
8. n. A faithful person.
9. n. Among Mohammedans, the true believers: hence the calif is called “Commander of the Faithful.”
10. n. In political use, the general body of unquestioning adherents of a party: used in contempt by members of other parties.

Wiktionary

1. adj. loyal; adhering firmly to person or cause
2. adj. having faith
3. adj. reliable; worthy of trust
4. adj. consistent with reality
5. adj. engaging in sexual relations only with one's spouse or long-term sexual partner
6. n. The practicing members of a religion or followers of a cause.

GNU Webster's 1913

1. adj. Full of faith, or having faith; disposed to believe, especially in the declarations and promises of God.
2. adj. Firm in adherence to promises, oaths, contracts, treaties, or other engagements.
3. adj. True and constant in affection or allegiance to a person to whom one is bound by a vow, by ties of love, gratitude, or honor, as to a husband, a prince, a friend; firm in the observance of duty; loyal; of true fidelity.
4. adj. Worthy of confidence and belief; conformable to truth ot fact; exact; accurate.

WordNet 3.0

1. n. any loyal and steadfast following
2. n. a group of people who adhere to a common faith and habitually attend a given church
3. adj. not having sexual relations with anyone except your husband or wife, or your boyfriend or girlfriend
4. adj. steadfast in affection or allegiance
5. adj. marked by fidelity to an original