adj.
Pronunciation: di- ' fek-tiv
Function: adjective
Date: 14th century
1 a : imperfect in form or function : FAULTY <a defective pane of glass> b : falling below the norm in structure or in mental or physical function < defective eyesight>
2 : lacking one or more of the usual forms of grammatical inflection < must is a defective verb>
– de · fec · tive · ly adverb
– de · fec · tive · ness noun