Definition of post-traumatic stress disorder
: a psychological reaction occurring after experiencing a highly stressing event (such as wartime combat, physical violence, or a natural disaster) that is usually characterized by depression, anxiety, flashbacks, recurrent nightmares, and avoidance of reminders of the event
—abbreviation PTSD
— called also post-traumatic stress syndrome
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Merriam-Webster unabridged
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Time Traveler for post-traumatic stress disorder
The first known use of post-traumatic stress disorder was in 1980
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