April 19,1775 The Battle of Lexington and Concord, which occurred on April 19, 1775, is when the American Revolutionary War began.
mental illness. noun mental illÂ·ness. Legal Definition of mental illness. 1 : mental disease. 2 : a mental condition marked primarily by sufficient disorganization of personality, mind, and emotions to seriously impair the normal psychological and often social functioning of the individual âcalled also mental disorder.
character disorder. noun, Psychiatry. 1. a disorder characterized by socially undesirable behavior, as poor control of impulses or inability to maintain close emotional relationships, and by absence of anxiety or guilt.