Usually it means the person didn’t understand the question and instead of asking for clarity or for the question to be repeated they would say “sure”. This is why it could be considered rude because the person is discounting what was said and doesn’t take the time to ask that what they missed be repeated.

phrase. If you say that something is a sure thing, you mean that you are certain that it will happen or be successful. [informal] This proposal is by no means a sure thing.

“Sure Thing” is a short romantic comedy written by the American playwright David Ives. It debuted at Manhattan Punch Line’s Festival of One-Act Comedies in 1988.

certainly adverb (EXTREMELY LIKELY)6 päivää sitten

Certainly sentence example

1. She certainly didn’t feel any different.
2. Certainly she had been under a lot of stress.
3. Certainly he wasn’t responsible for their safety.
4. You must certainly come.
5. That was certainly a surprising turn of events!
6. He was certainly mysterious, even a little eccentric, but…

How do you say yes in a formal email?

1. Yeah, sure. Here you go.
2. No problem! I’m always happy to help.
3. Yep! I will be right there. (Yep is another informal way to say yes like yeah.)
4. Yeah, I’d be happy to!
5. Cool. (Yes, cool can really be used to say yes or to show agreement.)
6. You got it.
7. Okay.

What is another word for okay?

30 Different Ways to Say OK in English

1. Green light.
2. Agree to.
3. Go.
4. Yep.
5. Certify.
6. Moderate.
7. Respectable.
8. Pleasing.

Creative Ways to Say “Yes”

1. Okey-dokey!
2. I’m at your behest.
3. Aye aye, captain!
4. I was born for this!
5. That would be a Y-E-S!
6. You just stole the words out of my mouth.
7. Right on, brother/sister.
8. Definitely not NO.

Good replacements for “OK” in a conversation are: yep, fine, no problem, all right, I agree, acknowledged, I approve, very well, yes, cool, sounds good to me, certainly, without a doubt, no doubt, no problem, sure, affirmative, definitely, indeed.

Polite Ways to Say Yes in English

1. Yeah, sure. Here you go.
2. No problem! I’m always happy to help.
3. Yep! I will be right there. (Yep is another informal way to say yes like yeah.)
4. Yeah, I’d be happy to!
5. Cool. (Yes, cool can really be used to say yes or to show agreement.)
6. You got it.
7. Okay.

99 Ways to Say No

1. Not now.
2. Look! Squirrel! (This was the best NO suggestion I received from a commentor on my earlier post.
3. My word of the year is REST, so I can’t fit another thing in.
4. Nope.
5. No thanks, I won’t be able to make it.
6. Not this time.
7. Heck no.
8. No way, Jose. (Since my husband is named Jose, this is a favorite in our house.)

However, if your friend asks you to pick up some tacos, and you feel inclined to do so, you can respond with these variations:

1. OK.
2. K.
3. Okay.
4. Okie dokie.
5. Alright.
6. Alrighty.
7. Sounds good.
8. For sure.

Different Ways to Say I Agree

1. I agree with you.
2. Yup.
3. We are of one mind.
4. You can say that again.
5. I could not agree with you more.
6. That’s right.
7. Agreed.
8. You took the words right out of my mouth.

Ways of expressing agreement:

1. That’s right/You’re right/I know: used when agreeing with someone:
2. Exactly/Absolutely/I couldn’t agree more: used for saying that you completely agree with someone:
3. You can say that again/You’re telling me: a more informal way of saying that you completely agree with someone:

Here’s a good list of expressions to disagree in English:

1. I’m afraid…
2. I’m sorry but…
3. You may be right, but…
4. That might be true, but… I beg to differ. I don’t agree with you on that / what you say. I don’t think you’re right. I don’t share your view. I think otherwise. I take a different view.