Synonyms of genuine

1 Syllable
hard, truest, sound, truer, pure, plain, good
2 Syllables
surer, certain, upfront, natal, proved, true-blue, heartiest, hearty, surest, up-front, exact, candid, deep-felt, sterling, inwrought, washer, lieger, unspoilt, verier, factual, kosher, artless, honest, deep-down, deep-dyed, serious, devout, veriest, faithful, first-hand, heartier, actual, very
3 Syllables
guileless, veracious, long-faced, official, unsmiling, heart-and-soul, -carat, dead-level, watertight, precise, 24-carat, native, intrinsic, sure-enough, literal, unfaked, sincerest, palpable, straightforward, unfeigned, natural, sincere, plain-dealing, straight-arrow
4 Syllables
undesigning, unaffected, underived, unhumorous, undeviating, original, demonstrable, unassumed, unlabored, inarguable, veridical, veritable, above-board, wholehearted, positive, unvarnished, originals, uncontrived, dyed-in-the-wool, absolute, unrefuted, accurate, pretenseless, square-shooting, undissembling
5 Syllables
undisputable, undeceptive, unembarrassed, incontestable, ultraprecise, unassailable, unquestionable, unconditional, indubitable, legitimate, establishable, unconditioned
6 Syllables
underivative, unsophisticated, unexaggerated