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

Three other protesters — Jennifer and Finley Hanson and Cameron Bone — were also arrested at the mansion protest. — Grant Lancaster, Arkansas Online, 9 July 2026

South Florida’s high-end real estate market is making headlines, including an NBA star’s mansion listing to record-setting office rents. — Jeff Kleinman, Miami Herald, 8 July 2026

Named Venezia Pacifica, the mega-mansion is perched on over an acre of land in the Cliffside Drive cul-de-sac. — Demetrius Simms, Robb Report, 8 July 2026

The preserved Plum Orchard, a 30-room, 22,000-square-foot mansion originally occupied by Andrew Carnegie’s nephew, circa 1898. — Jennifer Peebles, AJC.com, 7 July 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