Meaning of PROBABILITY
Pronunciation:   `prâbu'bilitee



WordNet Dictionary 

 Definition:  
 [n] the quality of being probable
 [n] a measure of how likely it is that some event will occur; "what is the probability of rain?"; "we have a good chance of winning"


PROBABILITY is a 11 letter word that starts with P. 
 Synonyms:   chance 

 Antonyms:   improbability, improbableness  
 See Also:   amount, cross section, joint probability, likelihood, likeliness, measure, odds, quality, quantity, quantum  
Webster's 1913 Dictionary 

 Definition:   \Prob`a*bil"i*ty\, n.; pl. {Probabilities}. [L.
probabilitas: cf. F. probabilit['e].]
1. The quality or state of being probable; appearance of
reality or truth; reasonable ground of presumption;
likelihood.
Probability is the appearance of the agreement or
disagreement of two ideas, by the intervention of
proofs whose connection is not constant, but appears
for the most part to be so. Locke.
2. That which is or appears probable; anything that has the
appearance of reality or truth.
The whole life of man is a perpetual comparison of
evidence and balancing of probabilities.
Buckminster.
We do not call for evidence till antecedent
probabilities fail. J. H.
Newman.
3. (Math.) Likelihood of the occurrence of any event in the
doctrine of chances, or the ratio of the number of
favorable chances to the whole number of chances,
favorable and unfavorable. See 1st {Chance}, n., 5.
Syn: Likeliness; credibleness; likelihood; chance.



