D defs.my
Entry 2 senses Webster, 1913

dysfunctional

· IPA /dɪsfˈʌŋkʃənəl/
01 adj. impaired in function; especially of a bodily system or organ.
  1. 1.
    impaired in function; especially of a bodily system or organ.
  2. 2.
    failing to serve an adjustive purpose; -- of a trait or condition; as, dysfunctional behavior.(Psychol.)
Syn. nonadaptive.