maladaptivePronunciation: /ˌmaləˈdaptɪv/Definition of maladaptive adjective technical not adjusting adequately or appropriately to the environment or situation: maladaptive coping strategies such as increasing consumption of alcoholDerivatives maladaptationPronunciation: /malədapˈteɪʃ(ə)n/ noun maladapted adjective maladaptive in other Oxford dictionaries Definition of maladaptive in the US English dictionary