faithful

faithful is an Adverb

Definition:

[1] Full of faith, or having faith; disposed to believe, especially in the declarations and promises of God. You are not faithful, sir. B. Jonson.

[2] Firm in adherence to promises, oaths, contracts, treaties, or other engagements. The faithful God, which keepeth covenant and mercy with them that love him. Deut. vii. 9.

[3] 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. So spake the seraph Abdiel, faithful found, Among the faithless, faithful only he. Milton.

[4] Worthy of confidence and belief; conformable to truth ot fact; exact; accurate; as, a faithful narrative or representation. It is a faithful saying. 2 Tim. ii. 11. The Faithful, the adherents of any system of religious belief; esp. used as an epithet of the followers of Mohammed.