sirnoun [ as form of address ]uk /sɜːr/ us /sɝː/ also Sir formal
"Did you hear what I said?" "Yes, Sir."
Can I go to the toilet, sir?
Dear Sir or Madam
- Come hither, young sir!
- I'm sorry, sir, the salmon is off.
- Officer Clarke will show you where to go, sir.
- The seat of those trousers looks rather tight, sir - Would you like to try a larger size?
- Would you like to settle up now, sir?