psychiatry

noun

psy·​chi·​a·​try sə-ˈkī-ə-trē How to pronounce psychiatry (audio)
sī-
: a branch of medicine that deals with mental, emotional, or behavioral disorders
psychiatric adjective
psychiatrically adverb

Examples of psychiatry in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Hub brings early-stage organizations, both nonprofit and for-profit, into three-month cohorts and pairs them with Georgetown experts across psychiatry, psychology, pediatrics, public health, social work, and developmental science. Afdhel Aziz, Forbes.com, 21 Jan. 2026 The Cut Will ‘psychiatry’s Bible’ add a postpartum psychosis diagnosis? Ellie Austin, Fortune, 21 Jan. 2026 David Mandell, a psychiatry professor at the University of Pennsylvania, said the idea that wildfire smoke exposure could raise autism risk is broadly consistent with previous research linking air pollution exposure during the mother's pregnancy to poorer neurodevelopmental outcomes in children. Berkeley Lovelace Jr, NBC news, 20 Jan. 2026 But the limitations cut both ways, said Jonathan Sebat, professor of psychiatry and cellular biology at the University of California, San Diego. O. Rose Broderick, STAT, 16 Jan. 2026 See All Example Sentences for psychiatry

Word History

Etymology

probably from French psychiatrie, from psychiatre psychiatrist, from psych- psych- + Greek iatros physician — more at -iatry

First Known Use

1828, in the meaning defined above

Time Traveler
The first known use of psychiatry was in 1828

Browse Nearby Words

Cite this Entry

“Psychiatry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychiatry. Accessed 5 Feb. 2026.

Kids Definition

psychiatry

noun
psy·​chi·​a·​try sə-ˈkī-ə-trē How to pronounce psychiatry (audio)
sī-
: a branch of medicine that deals with disorders of the mind, emotions, or behavior
psychiatric adjective

Medical Definition

psychiatry

noun
psy·​chi·​a·​try -trē How to pronounce psychiatry (audio)
plural psychiatries
: a branch of medicine that deals with the science and practice of treating mental, emotional, or behavioral disorders especially as originating in endogenous causes or resulting from faulty interpersonal relationships

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