sure

About 108.56 uses per million words.

Meaning

adjective Physically secure and certain, non-failing, reliable.
This investment is a sure thing.
adjective Certain in one's knowledge or belief.
Are you sure to succeed, as polls say? —Well, I am at least certain of making it to the podium this time.
adjective Certain to act or be a specified way.
Be sure to lock the door when you leave.
adjective Certain to obtain something.
Many people book early in order to be sure of the best seats.
adjective Free from danger; safe; secure.
adjective Betrothed; engaged to marry.
adverb Without doubt, certainly.
Sure he's coming! Why wouldn't he?
adverb Without fail, surely.