adj firm in adherence to promises, oaths, contracts, treaties, or other engagements.
2. faithful ·adj full of faith, or having faith; disposed to believe, especially in the declarations and promises of god.
3. faithful ·adj worthy of confidence and belief; conformable to truth ot fact; exact; accurate; as, a faithful narrative or representation.
4. faithful ·adj true and constant in affection or allegiance to a person to whom one is bound by a vow, be ties of love, gratitude, or honor, as to a husband, a prince, a friend; firm in the observance of duty; loyal; of true fidelity; as, a faithful husband or servant.