Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “probability”

See all translations

probability

noun [C/U]  /ˌprɑb·əˈbɪl·ɪ·t̬i/ us  
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.
the likelihood of something happening or being true: [C] There’s a higher probability of now having a state income tax (= the tax is more likely now). In all probability he would never see her again (= very likely he would not see her again).
Translations of “probability”
in Korean 개연성…
in Arabic احتِمال…
in Portuguese probabilidade…
in Catalan probabilitat…
in Japanese 可能性, 確率…
in Italian probabilità…
in Chinese (Traditional) 可能性…
in Russian вероятность…
in Turkish ihtimal, olasılık…
in Chinese (Simplified) 可能性…
in Polish prawdopodobieństwo…
(Definition of probability from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of probability?
Add Cambridge dictionaries to your browser to your website

Definitions of “probability” in other dictionaries

Word of the Day

pot luck

anything that is available or is found by chance, rather than something chosen, planned, or prepared

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More