People sometimes say sir as a very formal and polite way of addressing a man whose name they do not know or a man of superior rank. For example, a shop assistant might address a male customer as sir.
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Sir is used at the beginning of a formal letter to a man you do not know: Dear Sir
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Sir is used at the beginning of a formal letter to a man you do not know: Dear Sir
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SIR definition: a respectful or formal term of address used to a man. See examples of sir used in a sentence.
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“At ease, lieutenant.” “Yes sir, captain.” Sir, I don''t think I was speeding. Sir, can you help me with this math problem? Dinner is ready, sir.
The meaning of SIR is a man entitled to be addressed as sir —used as a title before the given name of a knight or baronet and formerly sometimes before the given name of a priest.
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