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 …

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 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 …

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 …

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

There are 19 meanings listed in OED's entry for the noun sir, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

3 days ago · SIR Form Online Fill up, Download, Submission Guide: SIR, or Special Intensive Revision, is a large-scale verification exercise that the ECI undertakes when it believes the …

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 …

sir definition: polite address for an unknown man. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "yes sir", "aye aye, sir", …