A word, phrase, idiom, or expression peculiar to the English language as spoken in Britain. / The practice of British religion or culture.

plural of Britishism

(with article, collective) The residents or inhabitants of Great Britain. / (with article, collective) The citizens or inhabitants of the United Kingdom.

Of Britain. / Of the United Kingdom. / Of the Commonwealth of Nations, or the British Empire. / (historical) Of the ancient inhabitants of the southern part of Britain; Brythonic.

plural of Britisher

(now chiefly Canada, US, India) A Briton. / (India) The British colonial authorities; a European member of the British Raj, especially an officer from the colonial authorities.

(rare) British.

The state or quality of being British.

(transitive, intransitive) To make or become British.

plural of Britishness