maladaptive

adj maladaptive

• nonadaptive — serving or able to adapt; showing or contributing to adaptation: the adaptive coloring of a chameleon.
• maladjusted — badly or unsatisfactorily adjusted, especially in relationship to one's social circumstances, environment, etc.
• unfit — not fit; not adapted or suited; unsuitable: He was unfit for his office.
• defective — If something is defective, there is something wrong with it and it does not work properly.
• dysfunctional — not performing normally, as an organ or structure of the body; malfunctioning.