sir
/sɜr/
noun
- A polite way to address a man, especially one you do not know or one in a position of authority.
- The teacher said, 'Sir, please take your seat.'
- Yes, sir, I will follow your orders.
- Excuse me, sir, can you tell me the time?
- A title used before the first name of a knight or baronet in the United Kingdom.
- Sir Isaac Newton is famous for his work in physics.
- Sir Paul McCartney was knighted for his services to music.
- The queen knighted him, and he became Sir John.
- Used as a formal salutation in letters or emails to a man whose name you do not know.
- Sir, we have received your complaint and will respond soon.
- To whom it may concern: Dear Sir or Madam,
- Dear Sir, I am writing to apply for the position.