Definitionen
1.SymbolISO 639-3 language code for Siri.
2.NounA man of a higher rank or position.
3.NounA respectful term of address to a man of higher rank or position, particularly:
to a knight or other low member of the peerage."Just be careful. He gets whingy now if you don't address him as Sir John.; Sir, yes sir.; Here's my report, sir."
4.Nounto a knight or other low member of the peerage."Just be careful. He gets whingy now if you don't address him as Sir John."
5.Nounto a superior military officer."Sir, yes sir."
6.Nounto a teacher."Here's my report, sir."
7.NounA respectful term of address to an adult male (often older), especially if his name or proper title is unknown."Excuse me, sir, do you know the way to the art museum?"
8.VerbTo address another individual using "sir"."Sir, yes, sir! —Don't you sir me, private! I work for a living!"