sir (EN)

noun

noun “sir”

1. a polite term of address for a man, especially when his name is unknown
   Sign up to see the translation of definitions and examples into any language.

   Excuse me, sir, could you help me find the nearest train station?
2. a term used to address a male superior in the military
   Yes, sir! The mission is complete.
3. (UK) used by students to address a male teacher
   Sir, could you please repeat the last point?
4. a British title before the forename of a knight or baronet
   Sir Ian McKellen has starred in many famous films.