Meaning of DEFECTIVE in English

DEFECTIVE

I. di-ˈfek-tiv 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

II. noun

Date: 1592

: a person who is subnormal physically or mentally

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.