UNCONDITIONAL. That which is without condition; that which must be performed without regard to what has happened or may happen.

Source: Bouvier's Law Dictionary, Revised 6th Ed (1856)
 

Unconditional \Un`con*di"tion*al\, a. Not conditional, limited, or conditioned; made without condition; absolute; unreserved; as, an unconditional surrender. [1913 Webster]

O, pass not, Lord, an absolute decree, Or bind thy sentence unconditional. --Dryden. [1913 Webster] -- Un`con*di"tion*al*ly, adv. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

94 Moby Thesaurus words for "unconditional": absolute, admitting no exception, all-embracing, all-encompassing, all-out, all-pervading, born, broad-based, categorical, clean, clear, complete, comprehensive, conclusive, congenital, consummate, decided, decisive, deep-dyed, definite, definitive, determinate, downright, dyed-in-the-wool, egregious, entire, exhaustive, explicit, express, final, fixed, flat, flat-out, full, global, illimitable, implicit, inappealable, indisputable, intensive, limitless, no strings, omnibus, omnipresent, open, out-and-out, outright, peremptory, perfect, pervasive, plain, plenary, plumb, positive, pure, radical, regular, round, sheer, straight, straight-out, sweeping, thorough, thoroughgoing, through-and-through, total, ubiquitous, unbound, unbounded, uncircumscribed, unconditioned, unconfined, undoubting, unequivocal, unhampered, unhesitating, universal, unlimited, unmeasured, unmistakable, unmitigated, unqualified, unquestioning, unreserved, unrestricted, unwaivable, utter, veritable, whole, wholesale, wide-open, without exception, without reserve, without strings

Source: Moby Thesaurus II by Grady Ward, 1.0
 

unconditional adj
1: not conditional; "unconditional surrender" [ant: conditional]
2: not modified or restricted by reservations; "a categorical denial"; "a flat refusal" [syn: categoric, categorical, flat]
3: not contingent; not determined or influenced by someone or something else

Source: WordNet (r) 2.0
 

Unconditional \Un`con*di"tion*al\, a. Not conditional limited, or conditioned; made without condition; absolute; unreserved; as, an unconditional surrender.

O, pass not, Lord, an absolute decree, Or bind thy sentence unconditional. --Dryden. -- Un`con*di"tion*al*ly, adv.

Source: Webster's Revised Unabridged Dictionary (1913)