sure Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “sure” in the English Dictionary

"sure" in British English

See all translations

sureadjective

uk   /ʃɔːr/ us   /ʃʊr/
A2 certain; without any doubt: "What's wrong with him?" "I'm not really sure." I'm sure (that) I left my keys on the table. I feel absolutely sure (that) you've made the right decision. It now seems sure (that) the election will result in another victory for the government. Shaun isn't sure whether/if he'll be able to come to the party or not. Is there anything you're not sure of/about? We arrive early to be sure of getting a good seat. There is only one sure way (= one way that can be trusted) of finding out the truth.
See also
for sure
B1 certain or certainly: I know for sure that I won't be able to go to the party. One thing's for sure - once the baby's born, your lives will never be the same again.
be sure of yourself
B2 to be very or too confident: She's become much more sure of herself since she got a job.
be sure of sth
B2 be confident that something is true: He said that he wasn't completely sure of his facts.
be sure of/about sb
UK to have confidence in and trust someone: Henry has only been working for us for a short while, and we're not really sure about him yet. You can always be sure of Kay.
be sure to
C1 to be certain to: She's sure to win. I want to go somewhere where we're sure to have good weather.
make sure (that)
A2 to look and/or take action to be certain that something happens, is true, etc.: Make sure you lock the door when you go out.
If you have a sure knowledge or understanding of something, you know or understand it very well: I don't think he has a very sure understanding of the situation.

expend iconexpend iconMore examples

sureadverb

uk   /ʃɔːr/ us   /ʃʊr/ informal
A2 certainly: "Do you want to come swimming with us?" "Sure."mainly US "Will you help me with this?" "Sure I will."US I sure am hungry.US "I can't do it!" "Sure you can. I'll help you."
US said when someone has thanked you: "Thanks for helping us out." "Sure, any time."

expend iconexpend iconMore examples

  • Sure I'll help you.
  • 'Are you coming to the park?' ' Sure!'
  • 'Do you fancy a pizza?' 'Sure. Let's ask Andy too.'
(Definition of sure from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"sure" in American English

See all translations

sureadjective [-er/-est only]

us   /ʃʊər/ /ʃoʊr/
certain; without any doubt: "No more dessert for me, thank you." "Are you sure?" [+ (that) clause] I’m sure (that) I left my keys on the table. [+ question word] I’m not sure where they live. If there’s anything you’re not sure of/about, just ask. He said that he wasn’t completely sure of his facts (= not certain that his information was correct). We arrived early, to be sure of getting a good seat. [+ to infinitive] She’s sure to win.
If you are sure of yourself, you are confident: She’s much more sure of herself since she started work.

sureadverb [-er/-est only]

us   /ʃʊr/ /ʃoʊr/
certainly: "Do you want to come swimming with us?" "Sure." I sure am hungry (= I am very hungry).
(Definition of sure from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of sure?
Add Cambridge dictionaries to your browser to your website

“sure” in British English

“sure” in American English

Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
by ,
May 25, 2016
by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

Read More 

Word of the Day

biodegrade

to decay naturally and in a way that is not harmful

Word of the Day

decision fatigue noun
decision fatigue noun
May 30, 2016
a decreased ability to make decisions as a result of having too many decisions to make Our brains have a finite number of decisions they can make before they get depleted and become less discerning – so this is called decision fatigue.

Read More