UNFAILING
Un*fail"ing, a.

Defn: Not failing; not liable to fail; inexhaustible; certain; sure.
Dryden.
— Un*fail"ing*ly, adv.
— Un*fail"ing*ness, n.

UNFAIR
Un*fair", v. t. Etym: [1st pref. un- + fair.]

Defn: To deprive of fairness or beauty. [R.] Shak.

UNFAIR
Un*fair", a. Etym: [AS. unfæger unlovely. See Un- not, and Fair, a.]

Defn: Not fair; not honest; not impartial; disingenuous; using or
involving trick or artifice; dishonest; unjust; unequal.
You come, like an unfair merchant, to charge me with being in your
debt. Swift.
— Un*fair"ly, adv — Un*fair"ness, n.

UNFAITH
Un*faith", n.

Defn: Absence or want of faith; faithlessness; distrust; unbelief.
[R.]
Faith and unfaith can ne'er be equal powers: Unfaith in aught is want
of faith in all. Tennyson.

UNFAITHFUL
Un*faith"ful, 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. My feet, through wine, unfaithful to their weight. Pope. His honor rooted in dishonor stood, And faith unfaithful kept him falsely true. Tennyson.