probability

Meanings

Plural: probabilities

Noun

• a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
  • "the probability that an unbiased coin will fall with the head up is 0.5"
• the quality of being probable; a probable event or the most probable event
  • "for a while mutiny seemed a probability"
  • "going by past experience there was a high probability that the visitors were lost"
• The state of being probable.
• An event that is likely to occur.
• The relative likelihood of an event happening.
• A number, between 0 and 1, expressing the precise likelihood of an event happening.

Synonyms

chance, likelihood, likeliness, probableness, probality

Antonyms

improbability

Related Words

credence, odds, possibility, probable, verisimilitude