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Definition sure in British English

sure adjective

adjective
/ʃɔː(r)/

Ways of indicating that you feel sure about something

the most usual way of saying that you are sure about something

a stronger, more emphatic way of expressing certainty

used for expressing certainty that something will happen, based on a strong feeling rather than on facts

used informally to show that you are confident about the truth of what you are saying

a more formal way of expressing certainty about what someone is thinking or feeling, often used by people in authority

a way of expressing certainty about the facts of a situation, often used in official situations

Examples:

I’m sure she won’t forget – she’s very reliable.

I’m positive I had the keys with me when I left. ♦ We’re certain we made the right decision. ♦ I know for a fact that he lied to me about the party.

You’re going to enjoy the show – I just know you are.

I bet they’ve gone without us! ♦ I bet he’s not as good a cook as you.

You will no doubt be relieved to hear that the management has agreed to your request.

Having examined the evidence, we are satisfied that safety regulations were not broken.

Ways of indicating that you are not sure about something

used when you are not completely certain about something

an informal way of saying that you are not certain about something

a more formal way of saying that you are not certain about something

used for saying what you think is true, though you cannot be certain because you do not know all of the facts

used for saying that it is impossible for anyone to be certain about something

Examples:

I think that’s what he said, but I can’t be certain. It was very noisy.

‘Do you think it will rain?’ ‘Maybe. We usually get lots of rain at this time of year.’

I wondered if perhaps he’d forgotten to confirm the booking.

As far as I know, he’s coming. But I haven’t spoken to him for weeks.

There’s no telling what she will do next. She’s so unpredictable.

1

certain that something is real, true, or correct

Example

I think she's called Monica, but I'm not sure.

Example

Are you sure these figures are right?

Example

I was sure that I had left my keys on the counter.

Example

If you're really sure about the facts, we'll publish them.

Example

No one is really sure why he resigned.

Example

I'm pretty sure the pool is open until 6.00.

Synonyms and related words
1.1

certain about what you feel, what you want, or what you have decided

Example

'I'll take the blue one.' 'Are you sure?'

Example

They're not really sure where they want to live.

Example

I'll certainly support you, if you're quite sure that this is what you want.

Synonyms and related words
1.2

confident and not in any doubt about something

Example

If you're not sure of the answers, say so.

Example

He sounded so sure of himself that I began to believe him.

Example

I felt sure I could do it if only they'd give me a chance.

Synonyms and related words
2

certain to happen or to result from something

Example

If you get drunk tonight, you're sure to feel rotten in the morning.

Example

Everyone thought it was a sure thing, and we were amazed when they pulled out.

Example

One thing is for sure, I'm never going skydiving again!

Synonyms and related words
2.1

certain to succeed

Example

He took sure aim and squeezed the trigger.

Example

a sure path to success

Synonyms and related words
3

strong and firm

Example

in the sure grip of a powerful emotion

Example

His handshake was sure and confident.

Synonyms and related words
4

used about something that is definite and cannot be questioned or doubted

Example

a sure command of the facts

Example

a sure memory for names

Example

The increase in new home sales is a sure sign the recession is over.

Synonyms and related words
5

without any doubt

Example

The great British breakfast will never stand still, as sure as eggs is eggs.

Definition sure in British English