Physically secure and certain, non-failing, reliable.
‘This investment is a sure thing.’; ‘The bailiff had a sure grip on the prisoner's arm.’;
a state in south central United States
Certain in one's knowledge or belief.
‘He was sure she was lying.’; ‘I am sure of my eventual death.’; ‘John was acting sure of himself but in truth had doubts.’;
‘they gave us the O.K. to go ahead’;
Certain to act or be a specified way.
‘Be sure to lock the door when you leave.’;
being satisfactory or in satisfactory condition;
‘an all-right movie’; ‘the passengers were shaken up but are all right’; ‘is everything all right?’; ‘everything's fine’; ‘things are okay’; ‘dinner and the movies had been fine’; ‘another minute I'd have been fine’;
(obsolete) Free from danger; safe; secure.
sentence-initial expression of agreement
(obsolete) Betrothed; engaged to marry.
used to express agreement or acceptance
‘OK, I'll pass on your message’; ‘OK, OK, I give in’;
(modal adverb) Without doubt, certainly.
‘Sure he's coming! Why wouldn't he?’; ‘"Did you kill that bear yourself? ―"I sure did!"’;
used to introduce an utterance
‘‘OK, let's go’’;
Yes. (Expresses noncommittal agreement or consent.)
‘"Do you want me to put this in the garage?" "Sure, go ahead."’;
used at the end of a statement to invite agreement, approval, or confirmation
‘humour me, OK?’;
Yes; of course.
‘"Could you tell me where the washrooms are?" "Sure, they're in the corner over there."’;
satisfactory but not especially good
‘the flight was OK’;
Certainly knowing and believing; confident beyond doubt; implicity trusting; unquestioning; positive.
‘We are sure that the judgment of God is according to truth against them which commit such things.’; ‘I'm sure care 's an enemy of life.’;
in a satisfactory physical or mental state
‘are you okay, Ben?’;
Certain to find or retain; as, to be sure of game; to be sure of success; to be sure of life or health.
‘it's not OK to say that to a teacher’;
Fit or worthy to be depended on; certain not to fail or disappoint expectation; unfailing; strong; permanent; enduring.
‘The Lord will certainly make my lord a sure house; because my lord fighteth the battles of the Lord.’; ‘The testimony of the Lord is sure.’; ‘Which put in good sure leather sacks.’;
in a satisfactory manner or to a satisfactory extent
‘the computer continues to work OK’;
Betrothed; engaged to marry.
‘The king was sure to Dame Elizabeth Lucy, and her husband before God.’; ‘I presume . . . that you had been sure as fast as faith could bind you, man and wife.’;
an authorization or approval
‘the officer gave me the OK’;
Free from danger; safe; secure.
‘Fear not; the forest is not three leagues off;If we recover that we are sure enough.’; ‘She that's made sure to him she loves not well.’;
give approval to
‘despite objections, the committee ok'd the construction’;
In a sure manner; safely; certainly.
‘'T is pleasant, sure, to see one's name in print.’;
having or feeling no doubt or uncertainty; confident and assured;
‘felt certain of success’; ‘was sure (or certain) she had seen it’; ‘was very sure in his beliefs’; ‘sure of her friends’;
exercising or taking care great enough to bring assurance;
‘be certain to disconnect the iron when you are through’; ‘be sure to lock the doors’;
certain to occur; destined or inevitable;
‘he 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’;
physically secure or dependable;
‘a sure footing’; ‘was on sure ground’;
capable of being depended on;
‘a quick and certain remedy’; ‘a sure way to distinguish the two’; ‘wood dust is a sure sign of termites’;
(of persons) worthy of trust or confidence;
‘a sure (or trusted) friend’;
infallible or unfailing;
‘a sure (or true) sign of one's commitment’;
certain not to fail;
‘a sure hand on the throttle’;
impossible to doubt or dispute;
‘indisputable (or sure) proof’;
definitely or positively (`sure' is sometimes used informally for `surely');
‘the 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’;