Incapable of being contested or disputed.

synonym: incontestible.

Roget 159: strong, mighty, vigorous, forcible, hard, adamantine, stout, robust, sturdy, hardy, powerful, potent, puissant, valid.    resistless, irresistible, invincible, proof against, impregnable, unconquerable, indomitable, dominating, inextinguishable, unquenchable; incontestable; more than a match for; overpowering, overwhelming; all powerful, all sufficient; sovereign.    able-bodied; athletic; Herculean, Cyclopean, Atlantean^†; muscular, brawny, wiry, well-knit, broad-shouldered, sinewy, strapping, stalwart, gigantic.    manly, man-like, manful; masculine, male, virile.    unweakened^†, unallayed, unwithered^†, unshaken, unworn, unexhausted^†; in full force, in full swing; in the plenitude of power.    stubborn, thick-ribbed, made of iron, deep-rooted; strong as a lion, strong as a horse, strong as an ox, strong as brandy; sound as a roach; in fine feather, in high feather; built like a brick shithouse; like a giant refreshed.    ... show more

Not open to question; obviously true.

synonyms: indisputable, undisputable.

Roget 474: certain, sure, assured etc. v.; solid, well-founded.    unqualified, absolute, positive, determinate, definite, clear, unequivocal, categorical, unmistakable, decisive, decided, ascertained.    inevitable, unavoidable, avoidless^†; ineluctable.    unerring, infallible; unchangeable etc. 150; to be depended on, trustworthy, reliable, bound.    unimpeachable, undeniable, unquestionable; indisputable, incontestable, incontrovertible, indubitable; irrefutable etc. (proven) 478; conclusive, without power of appeal.    indubious^†; without doubt, beyond a doubt, without a shade or shadow of doubt, without question, beyond question; past dispute; clear as day; beyond all question, beyond all dispute; undoubted, uncontested, unquestioned, undisputed; questionless^†, doubtless.    authoritative, authentic, official.    sure as fate, sure as death and taxes, sure as a gun.    evident, self-evident, axiomatic; clear, clear as day, clear as the sun at noonday.    ... show more