noun
probability
prob-uh-BIHL-ih-tee
noun
1
How likely something is to happen.
"The probability of rain tomorrow is quite high."
2
In mathematics, a precise number between 0 and 1 representing the likelihood of an event.
"The probability of flipping heads twice in a row is 0.25."
How to Use Probability
Learner’s notesIn plain EnglishHow likely something is to happen, expressed loosely or as an exact number in math.
Common pairings
high probability
in all probability
probability of
Word Forms
probabilities plural
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The _____ of rain tomorrow is quite high.
Etymology
From Latin probabilitas, "credibility" or "likelihood," from probabilis, "provable" or "credible."