dysfunctional

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. impaired in function;
especially of a bodily system or organ
• Similar to:
impaired
• Derivationally related forms:
dysfunction
2. (of a trait or condition) failing to serve an adjustive purpose
- dysfunctional behavior
• Syn:
nonadaptive
• Similar to:
maladaptive