Synonyms of castle

castle

noun

ˈka-səl 

1

as in fortress

a structure or place from which one can resist attack

the implacable attackers placed the castle under a prolonged siege

Synonyms & Similar Words

• fortress
• stronghold
• citadel
• fortification
• bastion
• fort
• parapet
• rampart
• redoubt
• bunker
• fastness
• hold
• battlement
• earthwork
• breastwork
• bulwark
• blockhouse
• dugout
• embattlement
• garrison house
• alcazar
• casbah

2

as in mansion

a large impressive residence

the mining tycoon built a magnificent castle on the hill overlooking the town

Synonyms & Similar Words

• mansion
• manor
• hacienda
• palace
• villa
• estate
• house
• housing
• château
• hall
• manse
• manor house
• home
• residency
• penthouse
• dwelling
• abode
• roof
• showplace
• domicile
• hearth
• place
• lodging(s)
• nest
• habitation
• country house
• suite
• great house
• pad
• town house
• salon
• aerie
• quarter(s)
• countryseat

Example Sentences

Recent Examples of castle

Balloons float above an exploding castle, a giant peeks from behind the bushes and wizards throw flames in the foreground. — Phillip Molnar, San Diego Union-Tribune, 24 July 2026

The castle was part of the nomination covering five castles in the Mount Amel area. — Kim Tong-Hyung, Los Angeles Times, 24 July 2026

There was a pink wing of the castle for me and Kayla, a blue wing for Dad, and a brown wing for Aubrey and Giselle. — Literary Hub, 23 July 2026

Twenty-one hundred miles can already be walked, allowing visitors to view England’s famous headlands, cliffs, beaches, and dunes, as well as castles, oceanside resorts, and wartime relics. — Gloria Liu, Travel + Leisure, 20 July 2026

Phrases Containing castle

• castle in Spain
• castle in the air