psychosis noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of psychosis noun from the Oxford Advanced American Dictionary

psychosis

noun

NAmE//saɪˈkoʊsəs//

[countable, uncountable] (pl. psychoses

NAmE//saɪˈkoʊsiz//

)

a serious mental illness that affects the whole personality see psychotic

Want to learn more?

Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.

See psychosis in the Oxford Advanced Learner's Dictionary

Check pronunciation: psychosis