Synonyms of imperfect

1 Syllable
bad, junk, low, dud, sick
2 Syllables
sicker, subpar, unwrought, partial, misborn, parter, schlocky, bastard, unhewn, badder, junker, sketchy, kidstuff, sickest, broken, laid-up, wanting, faultier, halting, minus, unsound, lemon, marred, patchy, nascent, sketchier, warped, baddest, low-rent, vicious, two-bit, cruddy, amiss, faulty, slipshod, half-done, flubbed, glitched, snafued
3 Syllables
damaged, limited, impaired, unthorough, rachitic, claudicant, fallible, garbage, rickety, injured, inexact, inchoate, niggardly, deficient, low-grade, second-class, subnormal
4 Syllables
unprecise, incomplete, ungenuine, unfinished, defective, unperformed, immature, disfigured, low-quality, insufficient, unfulfilled, unassembled, uncompleted, unperfected
5 Syllables
rudimentary, undeveloped, bottom-of-barrel, unretentive, hospitalized, inadequate, unaccomplished, unexecuted, unconsummated