sure synonym, sure definition | Thesaurus

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1    assured, certain, clear, confident, convinced, decided, definite, free from doubt, persuaded, positive, satisfied  
2    accurate, dependable, effective, foolproof, honest, indisputable, infallible, never-failing, precise, reliable, sure-fire     (informal)   tried and true, trustworthy, trusty, undeniable, undoubted, unerring, unfailing, unmistakable, well-proven  
3    assured, bound, guaranteed, ineluctable, inescapable, inevitable, in the bag     (slang)   irrevocable  
4    fast, firm, fixed, safe, secure, solid, stable, staunch, steady  
   distrustful, dodgy     (Brit., Austral., & N.Z. informal)   doubtful, dubious, fallible, iffy     (informal)   insecure, sceptical, touch-and-go, unassured, uncertain, unconvinced, undependable, uneasy, unreliable, unsure, untrustworthy, vague  
English Collins Dictionary - English synonyms & Thesaurus  


  ( surer    comparative)   ( surest    superlative  )
1       adj   If you are sure that something is true, you are certain that it is true. If you are not sure about something, you do not know for certain what the true situation is.  
v-link ADJ, ADJ that, ADJ wh, ADJ about/of n   (=certain)     (Antonym: doubtful)    He'd never been in a class before and he was not even sure that he should have been teaching..., The president has never been sure which direction he wanted to go in on this issue..., It is impossible to be sure about the value of land.     
2       adj   If someone is sure of getting something, they will definitely get it or they think they will definitely get it.  
v-link ADJ of -ing/n  
A lot of people think that it's better to pay for their education so that they can be sure of getting quality...     
3       phrase   If you say that something is sure to happen, you are emphasizing your belief that it will happen.,   (emphasis)    With over 80 beaches to choose from, you are sure to find a place to lay your towel...     
4       adj   Sure is used to emphasize that something such as a sign or ability is reliable or accurate.  
ADJ n     (emphasis)    Sharpe's leg and shoulder began to ache, a sure sign of rain..., She has a sure grasp of social issues such as literacy, poverty and child care.     
5       adj   If you tell someone to be sureto do something, you mean that they must not forget to do it.  
v-link ADJ, ADJ to-inf, ADJ that     (emphasis)    Be sure to read about how mozzarella is made, on page 65..., Be sure you get your daily quota of calcium.     
6       convention   Sure is an informal way of saying `yes' or `all right'.,   (formulae)    `He rang you?'<emdash10001`Sure. Last night.'..., `I'd like to be alone, O.K?'—`Sure. O.K.'...     
7       adv   You can use sure in order to emphasize what you are saying.  
INFORMAL   ADV before v     (emphasis)    (=certainly)  
`Has the whole world just gone crazy?'—`Sure looks that way, doesn't it.'     
8    You say sure enough, especially when telling a story, to confirm that something was really true or was actually happening.  
sure enough      phrase   PHR with cl (not last in cl)  
We found the English treacle pudding too good to resist. Sure enough, it was delicious...     
9    If you say that something is for sure or that you know it for sure, you mean that it is definitely true.  
for sure      phrase   PHR with cl (not first in cl)  
One thing's for sure, Astbury's vocal style hasn't changed much over the years...     
10    If you make surethat something is done, you take action so that it is done.  
make sure      phrase   V inflects, usu PHR that  
Make sure that you follow the instructions carefully...     
11    If you make surethat something is the way that you want or expect it to be, you check that it is that way.  
make sure      phrase   V inflects, usu PHR that  
He looked in the bathroom to make sure that he was alone...     
12    If you say that something is a sure thing, you mean that you are certain that it will happen or be successful.  
sure thing      phrase  
This proposal is by no means a sure thing.     
13    If you are sure of yourself, you are very confident about your own abilities or opinions.  
be sure of oneself      phrase   v-link PHR  
I'd never seen him like this, so sure of himself, so in command.     

sure-fire      , surefire  
A sure-fire thing is something that is certain to succeed or win.  
INFORMAL      adj   ADJ n  
...a surefire best seller.     
sure-footed   , surefooted  
1       adj   A person or animal that is sure-footed can move easily over steep or uneven ground without falling.  
My horse is small but wiry and sure-footed.     
2       adj   If someone is sure-footed, they are confident in what they are doing.   (=confident)  
The Labour Party was growing increasingly sure-footed.     

Translation English Cobuild Collins Dictionary  

See also:

surge, surely, surety, sue

Collaborative Dictionary     English Thesaurus
a cool way of saying 'for sure', 'definitely'
[US];[informal] popularized among others by the rapper Snoop Dogg. Ex: Hey dude, this party is going to be off the hook, fo’ shizzle!
launch the process, launch the project, make sure that progress is under way
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