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prob·a·bil·i·ty

probability

 
 
pronunciation:
pra b bI lih ti
part of speech: noun
inflections: probabilities
definition 1: the condition or fact that something might happen.
Since you studied, there is a high probability that you will pass the test.
synonyms:
chance, likelihood
similar words:
possibility, potential
definition 2: a likely event or condition.
Snow tonight is a probability.
similar words:
possibility, prospect
definition 3: a number that expresses how likely something is to happen.
What is the probability that you will pick the winning lottery numbers?