C1 the level of possibility of something happening or being true: What is the probability of winning? The probability of getting all the answers correct is about one in ten. There's a high/strong probability (that) (= it is very likely that) she'll be here. Until yesterday, the project was just a possibility, but now it has become a real probability (= it is likely to happen). **Synonym**
in all probability C2 used to mean that something is very likely: She will, in all probability, have left before we arrive.

(Definition of probability from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

› mathematics a number that represents how likely it is that a particular thing will happen› mathematics Probability is the study of the mathematics of calculating the likelihood that particular events will happen.

(Definition of probability from the Cambridge Academic Content Dictionary © Cambridge University Press)

(Definition of probability from the Cambridge Business English Dictionary © Cambridge University Press)

in Arabic | احتِمال… |

in Korean | 개연성… |

in Portuguese | probabilidade… |

in Catalan | probabilitat… |

in Japanese | 可能性, 確率… |

in Chinese (Simplified) | 可能性… |

in Turkish | ihtimal, olasılık… |

in Russian | вероятность… |

in Chinese (Traditional) | 可能性… |

in Italian | probabilità… |

in Polish | prawdopodobieństwo… |

Browse

Add Cambridge dictionaries
to your browser
to your website

“probability” in British English

“probability” in American English

“probability” in Business English

“probability”: synonyms and related words:

Tree huggers and climate change deniers

October 08, 2015

The climate debate is one that has predictably generated a large amount of new vocabulary, some of it originally specialized scientific terminology that has been taken up by the media and is now common currency. Some of these terms are new additions to the Cambridge English Dictionary. The two opposing sides in