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. How to use sir in a …

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.

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 …

sir, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

The Society of Interventional Radiology (SIR) is the premier professional organization representing interventional radiologists worldwide. With a legacy of excellence spanning decades, we are …

SIR definition: 1. used as a formal and polite way of speaking to a man, especially one who you are providing a…. Learn more.

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

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4 meanings: 1. a formal or polite term of address for a man 2. archaic a gentleman of high social status 1. a title of honour.... Click for more definitions.