Definition of autism noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈɔːtɪzəm//
; NAmE NAmE//ˈɔːtɪzəm//
[uncountable] Mental and emotional problems
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a mental condition in which a person finds it very difficult to communicate or form relationships with others Wordfinderanorexia, autism, bipolar disorder, condition, dementia, depression, mentally, paranoia, psychosis, schizophrenia See related entries: Mental and emotional problems Word Originearly 20th cent.: from Greek autos ‘self’ + -ism.
See the Oxford Advanced American Dictionary entry: autism