UNRULY—ungovernable, unmanageable, refractory. (Tractable, docile.)
UNUSUAL—rare, unwonted, singular, uncommon, remarkable, strange. (Common.)
UPHOLD—maintain, defend, sustain, support, vindicate. (Desert, abandon.)
UPRIGHT—vertical, perpendicular, erect, just, equitable, fair, pure, honorable. (Prone.)
UPRIGHTNESS—honesty, integrity, fairness, goodness, probity, virtue, honor. (Dishonesty.)
URGE—incite, impel, push, drive, instigate, stimulate, press, induce, solicit.
URGENT—pressing, imperative, immediate, serious, wanted. (Unimportant.)
USAGE—custom, fashion, practice, prescription.
USE, n.—usage, practice, habit, custom, avail, advantage, utility, benefit, application. (Disuse.)