Antonym: madam. Similar words: siren, desire, desirable, undesirable. Meaning: [sɜr /sɜː] 
n. 1. term of address for a man 2. a title used before the name of knight or baronet.
n. 1. term of address for a man 2. a title used before the name of knight or baronet. 
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1. What seems to be the problem, sir?
2. I don't quite follow you, sir.
3. Sir, is it time to begin?
4. 'This is intolerable!' exclaimed Sir Rufus.
5. Did you book your car yet, sir?
6. Sir Kenneth concluded with a sideswipe at his critics.
7. Ok, my questions are over, stand down, sir.
8. Can I help you, sir?
9. Sir, this way to the next tee.
10. Good morning, sir. Can I help you?
11. Are you ready to order, sir?
12. Would you like to settle up now, sir?
13. Sir, I don't think you should fire John.
14. 'Report to me tomorrow, corporal!' 'Yes, sir!'
15. Sir Robert made his announcement after talks with the President.
15. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
16. Water or wine, sir?
17. She has relinquished the post to her cousin, Sir Edward.
18. 'Thank you very much.' 'You're welcome, sir. Have a nice day.'
19. I received a summons to the Palace from Sir Robert Fellowes, the Queen's private secretary.
20. Don't call me sir.
21. Aye , aye , sir, I'll do it out of hand.
22. Sir David Bellamy was a guest speaker at the conference.
23. Sir Francis Chichester was the first person to make a single-handed voyage round the world.
24. Good morning, Sir James.
25. Ben Brantley's article on Sir Ian McKellen rekindled many memories.
26. Sir William had the ability to conduct proceedings in a dignified manner without ever becoming stuffy.
27. Certainly. Where to, sir?
28. It seemed to me that Sir Robert's arguments were nonsensical.
29. May I suggest a white wine with this dish, Sir?
30. You are a special person in our life.We all love you, Sir!