Mcmansion

noun, slang

noun, slang ·3 syllables ·Moderate ·College level

Definitions

Noun
  1. 1
    A large, imposing and ostentatious house that lacks architectural integrity. US, derogatory, informal

    "Twenty mansions were planned for the development, each designed to look like the biggest house in town. The McMansion we thought of as ours had an enormous kitchen, more than two stories high."

  2. 2
    a generic, mass-produced luxury home wordnet

Synonyms

All synonyms
starter castle

Example

More examples

"Tom and Mary live in a McMansion."

Etymology

From Mc- + mansion, 1980s.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.