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n.
someone with a sociopathic personality; a person with an antisocial personality disorder (`psychopath' was once widely used but has now been superseded by `sociopath')
v.
move about aimlessly or without any destination, often in search of food or employment; "The gypsies roamed the woods"; "roving vagabonds"; "the wandering Jew"; "The cattle roam across the prairie"; "the laborers drift from one town to the next"; "They rolled from town to town"
adj.
deviating from normal expectations; somewhat odd, strange, or abnormal; "these days large families are atypical"; "atypical clinical findings"; "atypical pneumonia"; "highly irregular behavior"
adj.
deviating widely from a norm of physical or mental ability; used especially of children below normal in intelligence; "special educational provisions for exceptional children"
adj.
conforming with or constituting a norm or standard or level or type or social norm; not abnormal; "serve wine at normal room temperature"; "normal diplomatic relations"; "normal working hours"; "normal word order"; "normal curiosity"; "the normal course of events"