the King’s English
noun/ðə ˌkɪŋz ˈɪŋɡlɪʃ/
/ðə ˌkɪŋz ˈɪŋɡlɪʃ/
[uncountable] (old-fashioned)- the English language as written and spoken correctly by educated people in the UK ‘The King’s English’ is used when the United Kingdom has a king, and ‘the Queen’s English’ when it has a queen.
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the King’s English