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Definition sir in British English

sir

strong /sɜː(r)/ weak /sə(r)/
1

used as a polite way of speaking to a man. This word can be used by someone who works in a shop or restaurant for speaking to a customer, by someone speaking to a senior officer, or by someone speaking to another person whose name they do not know

Example

That'll be £5.50, please, sir.

Example

Would you like a drink, sir?

Example

Excuse me sir, do you know what the time is?

Synonyms and related words
1.1

used by a boy or young man as a polite way of speaking to an older man

Example

'Does your mother know about this?' 'No, sir.'

Synonyms and related words
2

used before the name of a man who is a knight or baronet

Synonyms and related words
3

used by students for talking to or about a male teacher

Example

Sir, may I go to the toilet?

Example

If you don't know the answer, ask sir.

Synonyms and related words
Definition sir in British English