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 Normans, …

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 military or police …

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

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

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5 days ago · Draft and Final SIR voter list of Tamil Nadu has been released by the Election Commission of India. Click on the Download Link in front of the name of your assembly constituencies in Tamil …

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.

1. a polite form of address (spoken or written) to a man. Excuse me, sir!; He started his letter `Dear Sirs, ...'.