v. t. [ 1st pref. un- + face. ] To remove the face or cover from; to unmask; to expose. [ 1913 Webster ]

a. Infallible. [ Obs. ] “This unfailable word of truth.” Bp. Hall. [ 1913 Webster ]

a. Not failing; not liable to fail; inexhaustible; certain; sure. Dryden. -- Un*fail"ing*ly, adv. -- Un*fail"ing*ness, n. [ 1913 Webster ]

a. [ AS. unfæger unlovely. See Un- not, and Fair, a. ] Not fair; not honest; not impartial; disingenuous; using or involving trick or artifice; dishonest; unjust; unequal. [ 1913 Webster ]

You come, like an unfair merchant, to charge me with being in your debt. Swift. [ 1913 Webster ]

-- Un*fair"ly, adv. -- Un*fair"ness, n. [ 1913 Webster ]

v. t. [ 1st pref. un- + fair. ] To deprive of fairness or beauty. [ R. ] Shak. [ 1913 Webster ]

n. Absence or want of faith; faithlessness; distrust; unbelief. [ R. ] [ 1913 Webster ]

Faith and unfaith can ne'er be equal powers:
Unfaith in aught is want of faith in all. Tennyson. [ 1913 Webster ]

a. 1. Not faithful; not observant of promises, vows, allegiance, or duty; violating trust or confidence; treacherous; perfidious; as, an unfaithful subject; an unfaithful agent or servant. [ 1913 Webster ]

My feet, through wine, unfaithful to their weight. Pope. [ 1913 Webster ]

His honor rooted in dishonor stood,
And faith unfaithful kept him falsely true. Tennyson. [ 1913 Webster ]

2. Not possessing faith; infidel. [ R. ] Milton. [ 1913 Webster ]

-- Un*faith"ful*ly, adv. -- Un*faith"ful*ness, n. [ 1913 Webster ]

a. 1. Not falcated, or hooked. [ 1913 Webster ]

2. Having no deductions; not curtailed, or shortened; undiminished. [ R. ] Swift. [ 1913 Webster ]

a. Infallible. Shak. [ 1913 Webster ]

v. t. [ 1st pref. un- + fasten. ] To loose; to unfix; to unbind; to untie. [ 1913 Webster ]