mansion

noun

man·​sion ˈman(t)-shən 

1

a(1)

: a large imposing residence

(2)

: manor house

b

: a separate apartment or lodging in a large structure

2

a

: house sense 3b

b

: one of the 28 parts into which the moon's monthly course through the heavens is divided

3

a

archaic : dwelling, abode

b

obsolete : the act of remaining or dwelling : stay

Synonyms of mansion

• hacienda
• manor
• castle
• estate
• villa
• palace
• house
• manse
• housing

Examples of mansion in a Sentence

a mansion with 10 bedrooms and an indoor swimming pool

if I ever win the lottery, I'm going to buy a mansion in the hills

Recent Examples on the Web

In New York City, two men who federal authorities say were inspired by the Islamic State group took powerful homemade bombs to a far-right protest outside the mayoral mansion. —David Klepper, Chicago Tribune, 17 Mar. 2026

At The Ringling—home to an art museum, circus museum, gardens, and a 56-room 1920s mansion that’s open to the public for tours—admission is free each Monday. —Amelia Mularz, Architectural Digest, 17 Mar. 2026

So Vicky goes to techno with Kevin and Angela, splits a spliff on the fire escape with Jen, buys a zhizha of a mansion and a luxury car and a set of fancy silverware, ideates urn campaigns, replies to emails, writes presentation decks. —Literary Hub, 16 Mar. 2026

Coberg admitted to escorting Iza and the victim the next day to a shooting range in the basement of Iza’s mansion and leaving the two alone. —Brittny Mejia, Los Angeles Times, 16 Mar. 2026

Word History

Etymology

Middle English, from Anglo-French, from Latin mansion-, mansio, from manēre to remain, dwell; akin to Greek menein to remain

First Known Use

14th century, in the meaning defined at sense 3b

Rhymes for mansion

• scansion
• expansion

Kids Definition

mansion

noun

man·​sion ˈman-chən 

: a large impressive residence