Downright

Adverb

 * 1) Really; actually; quite; thoroughly; utterly.
 * He wasn't just cool to me, he was downright rude.

Thesaurus
a outrance, absolute, absolutely, admitting no exception, adown, all out, all-embracing, all-encompassing, all-out, all-pervading, arrant, artless, below, beyond all bounds, beyond compare, beyond comparison, beyond measure, bluff, blunt, bold, bolt upright, born, brash, broad, broad-based, brusque, candid, categorical, certain, certainly, classical, clean, clear, complete, completely, comprehensive, conclusive, congenital, consummate, crass, damned, dead, decided, decisive, deep-dyed, definite, definitely, definitive, determinate, direct, down, down south, downgrade, downhill, downline, downstairs, downstream, downstreet, downtown, downward, downwards, downwith, dyed-in-the-wool, egregious, entire, entirely, erect, essentially, exhaustive, explicit, express, extremely, final, fixed, flagrant, flat, flat out, flat-out, forthright, frank, frankhearted, free, free-speaking, free-spoken, free-tongued, fundamentally, genuine, glaring, global, gross, heart-to-heart, immeasurably, implicit, in the extreme, inappealable, incalculably, indefinitely, indisputable, indubitable, indubitably, infinitely, ingenuous, intensive, intolerable, most, most assuredly, no holds barred, no small print, no strings attached, omnibus, omnipresent, open, openhearted, out-and-out, outright, outspoken, peremptory, perfect, perfectly, pervasive, plain, plain-spoken, plumb, positive, precious, profound, profoundly, pronounced, proper, pure, purely, radical, radically, rampant, rank, rearing, regular, round, shattering, sheer, shocking, sincere, stand-up, standing up, stark, stark-staring, straight, straight-out, straightforward, superlative, sure-enough, surely, surpassing, sweeping, the veriest, thorough, thoroughgoing, thoroughly, through-and-through, total, totally, transparent, ubiquitous, unabashed, unambiguous, unbearable, unchecked, uncircumscribed, uncompromisingly, unconditional, unconditionally, unconditioned, unconscionable, unconstrained, undeniable, undoubtedly, undoubting, unequivocal, unequivocally, unguarded, unhampered, unhesitating, universal, unlimited, unmistakable, unmitigated, unqualified, unquestionable, unquestionably, unquestioning, unrelieved, unreserved, unrestrained, unrestricted, unspoiled, unwaivable, up-and-down, upended, upraised, upreared, upright, upstanding, utter, utterly, veritable, vertical, very, whole, wholesale, with a vengeance, without exception, without reserve

Etymology
From

Translations

 * Bulgarian: съвсем, напълно
 * Dutch: ,
 * French: vraiment, carrément


 * German:
 * Hungarian:, kimondottan