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sir

[sur] /sɜr/
noun
1.
a respectful or formal term of address used to a man:
No, sir.
2.
(initial capital letter) the distinctive title of a knight or baronet:
Sir Walter Scott.
3.
(initial capital letter) a title of respect for some notable personage of ancient times:
Sir Pandarus of Troy.
4.
a lord or gentleman:
noble sirs and ladies.
5.
an ironic or humorous title of respect:
sir critic.
6.
Archaic. a title of respect used before a noun to designate profession, rank, etc.:
sir priest; sir clerk.
Origin of sir
1250-1300
1250-1300; Middle English; unstressed variant of sire
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for sir's

sir

/sɜː/
noun
1.
a formal or polite term of address for a man
2.
(archaic) a gentleman of high social status
Word Origin
C13: variant of sire

Sir

/sɜː/
noun
1.
a title of honour placed before the name of a knight or baronet: Sir Walter Raleigh
2.
(archaic) a title placed before the name of a figure from ancient history
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sir's

sir

c.1300, title of honor of a knight or baronet (until 17c. also a title of priests), variant of sire, originally used only in unstressed position. Generalized as a respectful form of address by mid-14c.; used as a salutation at the beginning of letters from early 15c.

Online Etymology Dictionary, © 2010 Douglas Harper
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3
3
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