unconditional, a. [absolute], [unqualified], [unrestricted], carte blanche.
uncongenial, a. [disagreeable], [unpleasant].
unconnected, a. [disconnected], [separate], [isolated], [abrupt], incoherent.
unconquerable, a. [invincible], insuperable, impregnable, indomitable, inexpugnable.
unconscionable, a. [unreasonable], inordinate, [exorbitant], [excessive].
unconscious, a. [unaware], [insensible]; comatose; ingenuous, [artless], [naïve].
unconsciousness, n. [insensibility]; coma.
unconstrained, a. [spontaneous], [uncompelled], [voluntary], [natural].
uncontradictable, a. incontrovertible, [indisputable], incontestable.
uncontrollable, a. [ungovernable], irrepressible.