Traditionally, as governed by law and custom, Sir is used for men who are knights and belong to certain orders of chivalry, as well as later applied to baronets and other offices. As the female …

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 …

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

You use the expression Dear Sir at the beginning of a formal or business letter or email when you are writing to a man. You use Dear Sirs when you are writing to an organization.

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.

Jul 14, 2025 · ‘Sir’ is a title of respect and courtesy, used to address a man who has been knighted or has achieved a high level of distinction in his field. ‘Lord,’ on the other hand, is a …

Join us in Toronto for the SIR 2026 Annual Scientific Meeting Join us in Toronto for the SIR 2026 Annual Scientific Meeting, where the global IR community will come together to share 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 …

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