major depressive disorder
Major depressive disorder (MDD) is a common and disabling psychiatric disorder in the United States that occurs across all racial and ethnic groups.Rahn Kennedy Bailey et al.

Dictionary Entries Near MDD

Cite this Entry

“MDD.” Dictionary, Merriam-Webster, Accessed 17 Jul. 2024.

Medical Definition


major depressive disorder
Less than one-third of patients with major depressive disorder (MDD) achieve remission with their first antidepressant.Somaia Mohamed et al., The Journal of the American Medical Association
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