Is “Probability” a Scrabble word?
Yes
PROBABILITY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Probability
/pɹɒbəˈbɪlɪti/
noun
1.The state of being probable; likelihood.
2.An event that is likely to occur.
3.The relative likelihood of an event happening.