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English definition of “post-traumatic stress disorder”

post-traumatic stress disorder

noun [C usually sing]  /ˈpoʊst·trɔˈmæt·ɪk ˈstres dɪsˌɔrdər, ˈpoʊs-, -traʊ-/ (abbreviation PTSD) medical us  
a mental condition in which a person suffers severe anxiety and illness after a very frightening or shocking experience, such as a war or an accident
(Definition of post-traumatic stress disorder from the Cambridge Academic Content Dictionary © Cambridge University Press)
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