Synonyms of downright

1 Syllable
blunt, frank, straight, bluff, clear, plain, flat, stark, gross, sure
2 Syllables
starker, certain, whole, utters, patent, totals, outright, franker, bluffed, starkest, exact, blatant, open, frankest, simple, utter, direct, total, damned, bluffer, honest, straight-out, crashing, quiter
3 Syllables
hellacious, plainspoken, dogmatic, specific, all-fired, through-and-through, silhouetted, virtuosic, totalling, explicit, complete, highhanded, unalloyed, out-and-out, straightforward, wrong-headed, thoroughgoing, bare-faced, heart-to-heart, unbounded, sincere
4 Syllables
openhearted, definite, consummate, unrelieved, positive, consummating, decidedly, unqualified, absolute, univocal, undisguised
5 Syllables
unalleviated, definitive, undubitable, unmitigated, undiminished, unquestionable, categorical, unconditional, unequivocal, indubitable, unconditioned, person-to-person