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English Lexicon

Sir

/sɜːr/
nouninterjectionCEFR A1 (Beginner)Top #450 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A polite or respectful term of address used for a man.

    "Excuse me, sir, you dropped your wallet."
  2. 2

    Used as the distinctive title of a knight or baronet in the British honor system.

    "He was knighted by the Queen and is now known as Sir Arthur."
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Thesaurus & Semantic Spectrum

Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from Middle English 'sire', from Old French 'sire', ultimately coming from the Vulgar Latin 'senior' meaning 'elder' or 'older'. Historically used as a title of respect for a man of high social status, it evolved into a standard polite form of address for men.

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