MDD

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A form of major depressive disorder — A mental disorder characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities.

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Meanings

nounMDD (countable and uncountable, plural MDDs)

plural MDDs

  1. abbreviationcountableinitialismuncountableInitialism of major depressive disorder.

Synonyms & antonyms

Also see
major depressive disorder
Cite this entry
APA

MDD. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/MDD

MLA

“MDD.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/MDD. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “MDD,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/MDD.

Source: MDD on Wiktionary, CC BY-SA 4.0.