Probability definition

prŏbə-bĭlĭ-tē
probabilities
See word origin
Frequency:
The quality or state of being probable; likelihood.
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(math.) The ratio of the number of times something will probably occur to the total number of possible occurrences.
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A number expressing the likelihood of the occurrence of a given event, especially a fraction expressing how many times the event will happen in a given number of tests or experiments. For example, when rolling a six-sided die, the probability of rolling a particular side is 1 in 6, or1 /6 .
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Probability is defined as the likelihood of something occurring or the chance of something happening.

When there is a 50 percent chance of something, this is an example of a time when the event has a probability of 50 percent.

When there are gray clouds in the sky, this is an example of a time when there is a high probability of rain.

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The quality or condition of being probable; likelihood.
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The likelihood that a given event will occur.

Little probability of rain tonight.

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(statistics) A number, ranging from zero to one, expressing either the projected likelihood that a specific event will occur or the observed ratio of the number of actual occurrences to the number of possible occurrences.
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Something probable.
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The state of being probable; likelihood.
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An event that is likely to occur.
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The relative likelihood of an event happening.
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(mathematics) A number, between 0 and 1, expressing the precise likelihood of an event happening.
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A probable situation, condition, or event.

Her election is a clear probability.

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in all probability
  • Most probably; very likely.
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in all probability
  • very likely
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Other Word Forms

Noun

Singular:
probability
Plural:
probabilities

Idioms and Phrasal Verbs

Origin of probability

  • From Latin probabilitas (“probability, credibility"), from probabilis (“probable, credible"); see probable.

    From Wiktionary

Probability Sentence Examples

  • What reason was there for assuming any probability of an uprising in the city?

  • They claim probability - moral certainty - mathematical certainty.

  • Probability is an entirely different issue.

  • The second part of the Laws of Thought contained a corresponding attempt to discover a general method in probabilities, which should enable us from the given probabilities of any system of events to determine the consequent probability of any other event logically connected with the given events.

  • It is true that in Roman Catholicism, in medieval as in modern times, the working of miracles has been ascribed to its saints; but the character of most of these miracles is such as to lack the a priori probability which has been claimed for the Scripture miracles.

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Related articles

Words near probability in the Dictionary