"Withdrawn behavior" refers to someone who tends to be quiet, keeps to themselves, and avoids social interactions. They may prefer solitude and can appear distant or uninterested in others.
Sentences with «withdrawn behavior»
Demand and withdraw behaviors in couples with a history of infidelity. (portfolio.du.edu)
Consistent pattern of inhibited, emotionally withdrawn behavior towards adult caregivers (i.e. the child doesn't seek out comfort from an adult and refuses to accept or respond to comfort from an adult when distressed) (siouxfallscounseling.com)
Genetic and environmental influences on the stability of withdrawn behavior in children: a longitudinal, multi-informant twin study. (blog.aamft.org)