PASSIVITY By N., Pam M.S. - April 7, 2013 noun. a type of adaptation, or maladaptation, wherein the person takes on a trend of submissiveness, reliance, and retreat into inaction. PASSIVITY: "His passivity hasn't exactly been beneficial to the group's success." Related Psychology Terms OPIOID ABUSE PASSIVISM ADAPTOMETER CROSS-TALK MALTREATMENT TASTE ADAPTATION AMBITENDENCY BRIGHTNESS PERCEPTION PATTERNING FLIGHT INTO FANTASY Cite this page: N., Pam M.S., "PASSIVITY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/passivity/ (accessed April 5, 2020).