mental illness mental hygiene • mental image · · · Info · Definitions · Synonyms · Antonyms · Characters · · mental illness · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention. Synonyms: mental illness, mental disease, psychopathy. · · Noun Definition 1 Synonyms · · · mental disease · · Synonym 1 psychopathy · · Synonym 2 Antonyms · · · mental health · · Antonym 0 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074