yes

Từ điển Oxford Advanced Learner 8th

yes [yes yeses] exclamation, noun BrE [jes] NAmE [jes]
exclamation
1. used to answer a question and say that sth is correct or true
• ‘Is this your car?’ ‘Yes, it is.’
• ‘Are you coming? Yes or no?’
2. used to show that you agree with what has been said
• ‘I enjoyed her latest novel.’ ‘Yes, me too.’
• ‘It's an excellent hotel.’ ‘ Yes, but (= I don't completely agree) it's too expensive.’
3. used to disagree with sth negative that sb has just said
• ‘I've never met her before.’ ‘Yes, you have.’
4. used to agree to a request or to give permission
• ‘Dad, can I borrow the car?’ ‘Yes, but be careful.’
• We're hoping that they will say yes to our proposals.
5. used to accept an offer or invitation
•‘Would you like a drink?’ ‘ Yes, please/thanks.’
6. used for asking sb what they want
• Yes? How can I help you?
7. used for replying politely when sb calls you
• ‘Waiter!’ ‘Yes, sir?’
8. used to show that you have just remembered sth
• Where did I put the keys? Oh, yes— in my pocket!
9. used to encourage sb to continue speaking
•‘I'm going to Paris this weekend.’ ‘Yes…’
10. used to show that you do not believe what sb has said
• ‘Sorry I'm late— the bus didn't come.’ ‘Oh yes?’
11. used to emphasize what you have just said
• Mrs Smith has just won £2 million— yes!—£2 million!
12. used to show that you are excited or extremely pleased about sth that you have done or sth that has happened
• ‘They've scored another goal.’ ‘Yes!!’
13. yes, yesused to show that you are impatient or irritated about sth
• ‘Hurry up— it's late.’ ‘Yes, yes— I'm coming.’

Word Origin:
Old English gēse, gīse, probably from an unrecorded phrase meaning ‘may it be so’.

Example Bank:
•In reply to his question, most of them answered yes.
•Please say yes!
•They voted yes to strike action.
Idiom: ↑yes and no
 
noun (pl. yes·sesor yesesBrE [ˈjesɪz] ; NAmE [ˈjesɪz])
an answer that shows that you agree with an idea, a statement, etc; a person who says ‘yes’
• I need a simple yes or no to my questions.
• There will be two ballot boxes— one for yesses and one for noes.
•I'll put you down as a yes.

Word Origin:
Old English gēse, gīse, probably from an unrecorded phrase meaning ‘may it be so’.

Example Bank:
•I need a simple yes or no.
•When the villagers were asked if they wanted the factory to be built, the answer was a resounding yes.