Sure
adjective
Certain, without any doubt.
I'm sure that she will pass the exam.
Often appears as...
- not sure
- sure of
adjective
Dependable, reliable.
She is a sure friend who will be there in tough times.
Often appears as...
- sure hand
- sure bet
adverb
Certainly, without doubt.
Will you come to the party? - Sure!
Often appears as...
- sure thing
- sure enough
Usage tips
Informal
Colloquial
adjective
Bound to happen, inevitable.
If you continue ignoring your health, sickness is sure.
Often appears as...
- sure thing
- sure bet
adjective
Certain, without any doubt.
I'm sure that she will pass the exam.
Often appears as...
- not sure
- sure of
adjective
Dependable, reliable.
She is a sure friend who will be there in tough times.
Often appears as...
- sure hand
- sure bet
adverb
Certainly, without doubt.
Will you come to the party? - Sure!
Often appears as...
- sure thing
- sure enough
Usage tips
Informal
Colloquial
adjective
Bound to happen, inevitable.
If you continue ignoring your health, sickness is sure.
Often appears as...
- sure thing
- sure bet
Definition 1 of 4
Pro Tip 1/2Expressing Certainty
Use 'sure' to strongly affirm your belief or knowledge about something.
Are you sure they got the message?
Pro Tip 2/2Questioning Doubt
Combine 'not sure' to express doubt or lack of confidence in something.
I'm not sure if this is the right way.
Pro Tip 1/2Expressing Certainty
Use 'sure' to strongly affirm your belief or knowledge about something.
Are you sure they got the message?
Pro Tip 2/2Questioning Doubt
Combine 'not sure' to express doubt or lack of confidence in something.
I'm not sure if this is the right way.
Pro Tip 1/2Expressing Certainty
Use 'sure' to strongly affirm your belief or knowledge about something.
Are you sure they got the message?
Pro Tip 2/2Questioning Doubt
Combine 'not sure' to express doubt or lack of confidence in something.
I'm not sure if this is the right way.
Never forget "Sure"
Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!
Video examples
Can you solve the temple...
you realize two of the students have been cursed. At any time, one or both of them might lie, though they also might tell the truth. You know for sure that the curse didn't get you, but you don't know which students can't be trusted, and because the possessed students may lie only occasionally,
Video examples
Why do people get so...
like arithmetic, that they've otherwise mastered. Academic anxiety certainly isn't limited to math, but it does seem to happen much more frequently, and cause more harm in that subject. So why would that be? Researchers aren't yet sure, but some studies suggest
Video examples
The benefits of good...
Try redesigning your environment. Adjust your screen so it's at or slightly below eyelevel. Make sure all parts of your body, like your elbows and wrists, are supported, using ergonomic aids if you need to. Try sleeping on your side with your neck supported
Video examples
Rethinking infidelity...
It's his responsibility to bring it up, because if he thinks about it, he can relieve Heather from the obsession, and from having to make sure that the affair isn't forgotten, and that in itself begins to restore trust. But for Heather,
Video examples
Bill Gates: The next...
that could work very, very quickly. Now I don't have an exact budget for what this would cost, but I'm quite sure it's very modest compared to the potential harm. The World Bank estimates that if we have a worldwide flu epidemic,
Video examples
Giving checkmate is...
absolutely sure that she's going to become the woman's vote chess champion but if we will play and then he continued that I'm convinced that it's almost impossible almost as a matter of fact it was he was not the only world
Video examples
Handraising Twin Tiger...
what we're doing and making sure we do a good job. We'll give it a good go, eh? We'll give it a good go. You're so fluffy! Hand-raising the cubs will also help prepare them for their future lives at the zoo.
Video examples
Genius: Aretha Chain of...
also make sure the world only sees the aretha franklin you want them to yeah you're gonna remember her name aretha she's too young to go out there it's easier for a woman to be the help made of a king
Video examples
Questions No One Knows...
that humanity has ever seen. Somewhere out there in that vast universe there must surely be countless other planets teeming with life. But why don't we see any evidence of it?
Video examples
If superpowers were...
So, are you sure you want to live forever? Now, which superpower physics lesson will you explore next? Shifting body size and content, super speed, flight, super strength,
Video examples
Can you solve the temple...
you realize two of the students have been cursed. At any time, one or both of them might lie, though they also might tell the truth. You know for sure that the curse didn't get you, but you don't know which students can't be trusted, and because the possessed students may lie only occasionally,
Video examples
Why do people get so...
like arithmetic, that they've otherwise mastered. Academic anxiety certainly isn't limited to math, but it does seem to happen much more frequently, and cause more harm in that subject. So why would that be? Researchers aren't yet sure, but some studies suggest
Video examples
The benefits of good...
Try redesigning your environment. Adjust your screen so it's at or slightly below eyelevel. Make sure all parts of your body, like your elbows and wrists, are supported, using ergonomic aids if you need to. Try sleeping on your side with your neck supported
Video examples
Rethinking infidelity...
It's his responsibility to bring it up, because if he thinks about it, he can relieve Heather from the obsession, and from having to make sure that the affair isn't forgotten, and that in itself begins to restore trust. But for Heather,
Video examples
Bill Gates: The next...
that could work very, very quickly. Now I don't have an exact budget for what this would cost, but I'm quite sure it's very modest compared to the potential harm. The World Bank estimates that if we have a worldwide flu epidemic,
Video examples
Giving checkmate is...
absolutely sure that she's going to become the woman's vote chess champion but if we will play and then he continued that I'm convinced that it's almost impossible almost as a matter of fact it was he was not the only world
Video examples
Handraising Twin Tiger...
what we're doing and making sure we do a good job. We'll give it a good go, eh? We'll give it a good go. You're so fluffy! Hand-raising the cubs will also help prepare them for their future lives at the zoo.
Video examples
Genius: Aretha Chain of...
also make sure the world only sees the aretha franklin you want them to yeah you're gonna remember her name aretha she's too young to go out there it's easier for a woman to be the help made of a king
Video examples
Questions No One Knows...
that humanity has ever seen. Somewhere out there in that vast universe there must surely be countless other planets teeming with life. But why don't we see any evidence of it?
Video examples
If superpowers were...
So, are you sure you want to live forever? Now, which superpower physics lesson will you explore next? Shifting body size and content, super speed, flight, super strength,
Example 1 of 10
Quote examples
Golda Meir
Israeli Leader
Men who have reached and passed forty-five, have a look as if waiting for the secret of the other world, and as if they were perfectly sure of having found out the secret of this.
Quote examples
Bill Gates
American Businessman
It's possible - you can never know - that the universe exists only for me. If so, it's sure going well for me, I must admit.
Quote examples
Bob Dylan
American Musician
This land is your land and this land is my land, sure, but the world is run by those that never listen to music anyway.
Quote examples
Robert Louis Stevenson
Scottish Writer
The world is so full of a number of things, I'm sure we should all be as happy as kings.
Quote examples
H. G. Wells
English Author
One of the darkest evils of our world is surely the unteachable wildness of the Good.
Quote examples
Viktor E. Frankl
Austrian Psychologist
Life can be pulled by goals just as surely as it can be pushed by drives.
Quote examples
Gunna
American Musician
I'm not sure people understand how important fashion is to me.
Quote examples
Yoko Ono
American Artist
I have only one life, so I want to make sure it's a good one.
Quote examples
Kim Kardashian
American Celebrity
I've made mistakes in my life for sure.
Quote examples
Kumar Sanu
Indian Musician
I can play character roles for sure.
Quote examples
Golda Meir
Israeli Leader
Men who have reached and passed forty-five, have a look as if waiting for the secret of the other world, and as if they were perfectly sure of having found out the secret of this.
Quote examples
Bill Gates
American Businessman
It's possible - you can never know - that the universe exists only for me. If so, it's sure going well for me, I must admit.
Quote examples
Bob Dylan
American Musician
This land is your land and this land is my land, sure, but the world is run by those that never listen to music anyway.
Quote examples
Robert Louis Stevenson
Scottish Writer
The world is so full of a number of things, I'm sure we should all be as happy as kings.
Quote examples
H. G. Wells
English Author
One of the darkest evils of our world is surely the unteachable wildness of the Good.
Quote examples
Viktor E. Frankl
Austrian Psychologist
Life can be pulled by goals just as surely as it can be pushed by drives.
Quote examples
Gunna
American Musician
I'm not sure people understand how important fashion is to me.
Quote examples
Yoko Ono
American Artist
I have only one life, so I want to make sure it's a good one.
Quote examples
Kim Kardashian
American Celebrity
I've made mistakes in my life for sure.
Quote examples
Kumar Sanu
Indian Musician
I can play character roles for sure.
Example 1 of 10
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension