sure

1. 1.

   Physically secure and certain, non-failing, reliable.

   This investment is a sure thing.

   The bailiff had a sure grip on the prisoner's arm.

2. 2.

   Certain in one's knowledge or belief.

   Roy: I'm 95% sure it was him. Jen: You... you said you were 99% sure. Roy: I'm 97% sure it was him.

   Are you sure to succeed, as polls say? —Well, I am at least certain of making it to the podium this time.

   He was sure of being a finalist.

   They aren't sure who will attend for sure.

   You seemed sure that the car was his. Yeah. I’m not sure what is the point of spending hours and hours discussing this.

3. 3.

   (followed by a to infinitive) Certain to act or be a specified way.

   Be sure to lock the door when you leave.

4. 4.

   (obsolete)Free from danger; safe; secure.

5. 5.

   (obsolete)Betrothed; engaged to marry.

   c. 1513-1518 (probably date written, published after 1535) Thomas More, History of King Richard III The king was sure to Dame Elizabeth Lucy, and her husband before God.

1. 1.

   (modal)Without doubt, certainly.

   Sure he's coming! Why wouldn't he?

   "Did you kill that bear yourself?" ―"I sure did!"

   It sure is cold out

   Isn’t there another way to do it? – Sure is, if you don’t mind going back home.

2. 2.

   (archaic)Without fail, surely.

shosho'

1. 1.

   (in response to a request for help or a favour) Yes; of course.

   "Could you tell me where the washrooms are?" "Sure, they're in the corner over there."

2. 2.

   (in response to other questions) Yes; I guess; you could say that; a weak or noncommittal positive response.

   "Do you like cats?" "Sure."

   "Do you want me to put this in the garage?" "Sure, go ahead."

3. 3.

   You're welcome; polite response to being thanked.

   "Thanks for helping me with that electrical fault." "Sure. Any time."