English dictionary



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English adjective: sure

1. sure having or feeling no doubt or uncertainty; confident and assured


SamplesFelt certain of success.
Was sure (or certain) she had seen it.
Was very sure in his beliefs.
Sure of her friends.


Synonymscertain


Similarconfident, convinced, positive


Attributeassurance, authority, certainty, confidence, self-assurance, self-confidence, sureness


Antonymsincertain, uncertain, unsure

2. sure exercising or taking care great enough to bring assurance


SamplesBe certain to disconnect the iron when you are through.
Be sure to lock the doors.


Synonymscertain


Similarcareful


Antonymscareless

3. sure certain to occur; destined or inevitable


SamplesHe was certain to fail.
His fate is certain.
In this life nothing is certain but death and taxes.
He faced certain death.
Sudden but sure regret.
He is sure to win.


Synonymscertain


Similarbound, destined, doomed, fated, foreordained, in for, predestinate, predestined


See alsopredictable


Antonymsuncertain

4. sure physically secure or dependable


SamplesA sure footing.
Was on sure ground.


Similarsecure


Antonymsunsafe, insecure

5. sure reliable in operation or effect


SamplesA quick and certain remedy.
A sure way to distinguish the two.
Wood dust is a sure sign of termites.


Synonymscertain


Similardependable, reliable


Antonymsundependable, unreliable

6. sure (of persons) worthy of trust or confidence


SamplesA sure (or trusted) friend.


Synonymstrusted


Similartrustworthy, trusty


Antonymsuntrustworthy, untrusty

7. sure infallible or unfailing


SamplesA sure (or true) sign of one's commitment.


Similartrue


Antonymsfalse

8. sure certain not to fail


SamplesA sure hand on the throttle.


Similarsteady


Antonymsunsteady

9. sure impossible to doubt or dispute


SamplesIndisputable (or sure) proof.


Synonymsindisputable


Similarcertain


Antonymsuncertain


English adverb: sure

1. sure definitely or positively (`sure' is sometimes used informally for `surely')


SamplesThe results are surely encouraging.
She certainly is a hard worker.
It's going to be a good day for sure.
They are coming, for certain.
They thought he had been killed sure enough.
He'll win sure as shooting.
They sure smell good.
Sure he'll come.


Synonymscertainly, for certain, for sure, sure as shooting, sure enough, surely


Domain usagecolloquialism









Based on WordNet 3.0 copyright © Princeton University.
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