THESAURUS
unperfected
adulterated, blemished, damaged, defective, deficient, erroneous, fallible, faulty, found wanting, immature, impaired, imperfect, imprecise, impure, inaccurate, inadequate, incomplete, inexact, lacking, makeshift, mediocre, mixed, not perfect, off, partial, patchy, short, sketchy, undeveloped, uneven, unfinished, unsound, unthorough, wanting