[noun]The probability of something happening or being true is how likely it is that it will happen or be true.I'm afraid there is a high/strong probability (= it is very likely) (that) something has gone wrong. [C + (that) clause]The probability of her making a full recovery is quite good (= She is likely to get better). [U]The probability of getting all the answers correct is only about one in ten. [U]Until yesterday, the project was just a possibility, but now it has become a real probability (= it is likely that it will happen). [C]They realized too late that in all probability (= almost certainly) he was not guilty of the crime.
Meaning of PROBABILITY in English
Cambridge English vocab. Кембриджский английский словарь. 2012