What is another word for "imperfect"?

Roget's Thesaurus (1911) lists these synonyms for "imperfect": and, arrear, back, balance, become, below, birthmark, blain, blemish, blobber, blobber-lipped, bloodshot, blot, blotch, blubber, blur, bottom, break, candle, caret, come, commonalty, complete, contract, contracted, crude, decrease, defalcation, default, defect, defective, deficiency, deficient, deficit, deformity, deterioration, dirt, disadvantage, discolored, discontinuity.