unrestrained, a. [unbridled], ungoverned, uncurbed, [riotous], impotent, saturnalian, [rampant]; [licentious], [dissolute], profligate.
unrestraint, n. [freedom], [liberty], [license], [abandon].
unrestricted, a. [unlimited], unfettered, uncircumscribed.
unrevivable, a. irrevivable, irresuscitable.
unrighteous, a. [unholy], [evil], iniquitous, [wicked], [vicious].
unrivaled, a. [peerless], [matchless], inimitable, [incomparable], [supreme].
unroll, v. [unfold], unfurl, evolve.
unrolling, n. unfolding, unfurling, evolvement, [evolution].
unromantic, a. prosaic, pragmatical, [matter-of-fact], [practical], literal.
unruly, a. turbulent, [ungovernable], [refractory], insubordinate, [fractious], [insurgent], [indocile], [disobedient], [froward], [vicious], intractable, [rebellious].