Faithful, a.
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.
1 more senses
Syn. -- Trusty; honest; upright; sincere; veracious; trustworthy. -- Faith"ful*ly, adv. -Faith"ful*ness, n.
Shades of meaning
A person is faithful who will keep faith, whether with or without power to aid or serve; a person or thing is trusty that possesses such qualities as to justify the fullest confidence and dependence. We may speak of a faithful but feeble friend; we say a trusty agent, a trusty steed, a trusty sword.
Prepositions
Faithful in service; to duty; to comrade or commander; faithful among the faithless.