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.

Sir is a formal honorific address in English for men, derived from Sire in the High Middle Ages. Both are derived from the old French " Sieur " (Lord), brought to England by the French-speaking …

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Definition of sir noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Sir is used at the beginning of a formal letter to a man you do not know: Dear Sir

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.

SIR meaning: 1 : used without a name as a form of polite address to a man you do not know; 2 : used without a name as a form of polite address to a man of rank or authority (such as a military or police …

Jul 15, 2025 · Discover the comprehensive meaning, definition, and etymology of "sir." This glossary entry provides clear examples of its historical and modern usage, perfect for academic exploration.

Jan 22, 2017 · Sir is an honorific address used as a courtesy title to address a man without using his given name or family name in many English speaking cultures. It is often used in formal …

Feb 5, 2026 · sir (plural sirs) A man of a higher rank or position. A respectful term of address to a man of higher rank or position, particularly: quotations