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 …

Dec 8, 2016 · 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 …

Would you like to see the menu, sir? "Did you hear what I said?" "Yes, Sir." Can I go to the toilet, sir? used to begin a formal letter to a man whose name you do not know. "Dear Sirs" is an old …

[noncount] US, informal — used in the phrases no sir and yes sir for emphasis, to show surprise, etc.

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 …

Use the word sir as a formal title for a man. People often use sir to respectfully or politely address someone they don't know well.

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.

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

Jan 22, 2017 · What does sir mean? This dictionary definitions page includes all the possible meanings, example usage and translations of the word sir. A man of a higher rank or position. …

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