Pronunciation guide

How to pronounce castle

KASS-ul (US) or KAH-sul (UK); two syllables, the 't' is silent

US/ˈkæsəl/

kæsəl

UK/ˈkɑːsəl/

kɑːsəl

New to IPA symbols? Read the IPA guide.

Common mistake

The 't' is silent - 'KASS-ul', not 'KAST-ul'.

What “castle” means

A large residential building or compound that is fortified and contains many defences; in previous ages often inhabited by a nobleman or king. Also, a house or mansion with some of the architectural features of medieval castles.

An instance of castling.

In a sentence

  • The medieval castle perched atop the hill drew visitors from nearby towns.
  • In chess, you can perform the castling move to safeguard the king.

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Definitions and examples are derived from Wiktionary, used under CC BY-SA 4.0, then edited by QuickPronounce. Pronunciation data draws on CMUdict.