sir

noun
\ ˈsər How to pronounce sir (audio) \

Essential Meaning of sir

1 used without a name as a form of polite address to a man of rank or authority (such as a military or police officer, teacher, or master) "At ease, lieutenant." "Yes sir, captain."Sir, I don't think I was speeding.Sir, can you help me with this math problem?Dinner is ready, sir.
2 used without a name as a form of address at the beginning of a formal letter Dear Sir or MadamDear Sir/Sirs
3 used as a title before the name of a knight or baronet Sir LancelotSir CharlesSir Elton JohnSir Walter Scott

Full Definition of sir

1a : 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
b : a man of rank or position
2a used as a usually respectful form of address
b capitalized used as a conventional form of address in the salutation of a letter

Examples of sir in a Sentence

Recent Examples on the Web General McMaster, welcome back to Meet the Press, sir. NBC News, 29 Aug. 2021 Secretary Blinken, welcome back to Meet the Press, sir. SEC. NBC News, 15 Aug. 2021 Finally, sir, does the FDA need to be doing more to get full authorization for those vaccines? ABC News, 8 Aug. 2021 Doctor Fauci, welcome back once again to Meet the Press, sir. DR. NBC News, 4 July 2021 Unclench your perfectly chiseled jaw and lighten up, sir. Maggie Fremont, Vulture, 6 May 2021 Specific Croatian beers, Balkan wines and olive oils are no-gos, but Flamm has been able to source some random ingredients like Paška sir, cheese from the island of Pag, through his contacts. Alyson Sheppard, Robb Report, 20 Apr. 2021 Well, sir, typically, a vaccine is named after the disease that it is supposed to protect against. Bruce Y. Lee, Forbes, 12 Apr. 2021 Senator Wicker, welcome back to Meet the Press, sir, on this Easter Sunday. NBC News, 4 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sir.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sir

13th century, in the meaning defined at sense 1a

History and Etymology for sir

Middle English, from sire

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Time Traveler for sir

Time Traveler

The first known use of sir was in the 13th century

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Dictionary Entries Near sir

Siqueiros

sir

Sirach

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Last Updated

3 Sep 2021

Cite this Entry

“Sir.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sir. Accessed 16 Oct. 2021.

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More Definitions for sir

sir

noun
\ ˈsər How to pronounce sir (audio) \

Kids Definition of sir

1 used without a name as a form of polite address to a man May I help you, sir?
2 capitalized used as a title before the given name of a knight or a baronet Sir Walter Raleigh
3 capitalized used without a name as a form of address at the beginning of a letter

More from Merriam-Webster on sir

Thesaurus: All synonyms and antonyms for sir

Nglish: Translation of sir for Spanish Speakers

Britannica English: Translation of sir for Arabic Speakers

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