.imperfect or faulty."complaints over defective goods"synonyms:faulty, flawed, imperfect, shoddy, inoperative, malfunctioning, out of order, unsound;More
a : imperfect in form or function : faulty replaced a defective light switchb : falling below the norm in structure or in mental or physical function defective eyesighta defective gene 2 grammar : lacking one or more of the usual forms of inflection (see inflection 3) Must is a defective verb.defectively adverb defectiveness noun
