91 synonyms for absolute such as decided, arrant, categorical, boundless, arbitrary, absolutist, and authoritative. Absolute is an adjective, and its antonyms are relative and flexible.
Arrant, complete, consummate, decided, downright, dyed-in-the-wool, entire, out-and-out, outright, peremptory, perfect, plenary, pure, rank, sheer, solid, thorough, thoroughgoing, total, unadulterated, unalloyed, undiluted, undivided, unmitigated, unmodified, unqualified, unreserved, and utter.
Categorical, certain, conclusive, confirmed, decisive, definite, infallible, manifest, positive, unconditional, undoubted, unequivocal, and unquestionable.
Boundless, full, infinite, omnipotent, sovereign, supreme, total, ultimate, unbound, unbounded, unconditional, unlimited, unrestrained, unrestricted, and utter.
Anti-democratic, arbitrary, autarchic, autarchical, authoritarian, autocratic, autonomous, despotic, dictatorial, domineering, draconian, high-handed, imperious, sovereign, tyrannical, and tyrannous.
Absolutist, authoritative, decided, definite, established, fixed, in black and white, incontrovertible, independent, irrevocable, non-relative, non-variable, rigid, set, settled, unalterable, universal, and unquestionable.