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 definition: a respectful or formal term of address used to a man. See examples of sir used in a sentence.
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, and which now exists in French only as part of "Monsieur" lit. 'my lord'.
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.
- a polite form of address (spoken or written) to a man. Excuse me, sir!; He started his letter `Dear Sirs, ...'.
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 correspondence.
Sir is a formal honorific address in English for men, derived from Sire in the High Middle Ages.
From Middle English sir, unstressed form of sire, borrowed from Old French sire (“master, sir, lord”), from Latin senior (“ older, elder ”), from senex (“old”).