vendible, unmarketable.

unsatisfactory, a. disappointing, insufficient.

unsatisfiable, a. insatiable, insatiate.

unsavory, a. offensive, rank, unpleasant; insipid, savorless,
mawkish, unpalatable, vapid.

unsay, v. recall, retract, recant.

unsaying, n. recantation, retraction.

unscrupulous, a. unprincipled, unconscientious, dishonest,
dishonorable, knavish.

unsearchable, a. inscrutable.

unseasonable, a. inopportune, ill-timed, untimely, premature.

unseasonably, adv. malapropos, untimely.

unseemly, a. unbecoming, improper, indecorous.

unseen, a. invisible, unperceived, secret, unnoticed, unobserved,
clandestine, surreptitious, furtive, concealed, underhand.

unselfish, a. magnanimous, disinterested, altruistic, charitable.

unselfishness, n. magnanimity, altruism, beneficence, liberality.

unsentimental, a. matter-of-fact, prosaic, pragmatical, practical.

unserviceableness, n. inutility.

unsettle, v. disorder, derange, upset, unhinge, disconcert.

unsettled, a. undetermined, dubious, unadjusted, controvertible,
disputable; irresolute, fickle, changeable; roily, feculent, turbid.

unshapely, a. misshapen, deformed.

unsheltered, a. exposed, unprotected.

unshod, a. discalced, barefooted, discalceated.

unshrinking, a. unflinching, determined, resolute.

unsightly, a. offensive, repulsive.

unskilled, a. unpracticed, unskillful, empirical.

unskillful, a. maladroit, inexpert, unskilled, clumsy.

unsociable, a.morose, uncompanionable, inaffable, ungenial, taciturn.

unsolvable, a. insoluble, inexplicable.

unsophisticated, a. unadulterated; innocent, guileless, gullible,
ingenuous.

unsound, a. defective, impaired; sophistical, fallacious, illogical,
untenable.

unsparing, a. liberal, ungrudging, profuse; severe, unmerciful.

unspeakable, a. ineffable, unutterable, inexpressible.

unspotted, a. spotless, pure.

unstable, a. insecure, unsteady, irresolute, inconstant, erratic.

unsteadfast, a. unstable, inconstant, wavering, irresolute.

unsteady, a. inconstant, precarious, wavering, variable,
vacillating, wabbly.

unstinted, a. plentiful.

unstudied, a. extemporaneous, extempore, impromptu, offhand.

unsubmissive, a. insubordinate, refractory.

unsuccessful, a. unfortunate, unlucky, unprosperous; abortive,
fruitless, unavailing, bootless, ineffectual, futile.

unsuitable, a. inappropriate, incongruous, incompatible.

unsupplied, a. destitute.

unsurmountable,