probability

B1 Topic:Numbers & Quantity

US /ˌpɹɑbəˈbɪlɪti/ UK /ˌpɹɒbəˈbɪlɪti/ See IPA manual

Freq #10978

Meanings

1

noun
How likely it is that something will happen.

There is a high probability of rain this afternoon.
2

noun
A number between 0 and 1 that measures exactly how likely an event is.

The probability of rolling a six on a fair die is one in six.

Thesaurus

Synonyms

1 noun · how likely it is that... chance likelihood

More likeliness probablenessprobality

Word family

Forms probabilities

Derived forms equiprobabilityimprobabilityisoprobabilitynonprobabilityprobabilisticprobitquasi-probabilityquasiprobability

Related forms credence odds possibility probable verisimilitude

Common collocations

conditional probability Adjective + noun

Etymology

From Middle French probabilité, from Latin probābilitās (“probability, credibility”), from probābilis (“probable, credible”).

probabilité Middle French probābilitās Latin

View etymology graph ->

External links

# probability

**Type:** Word
**Level:** B1
**Part of speech:** noun
**IPA (US):** /ˌpɹɑbəˈbɪlɪti/
**IPA (UK):** /ˌpɹɒbəˈbɪlɪti/
**Frequency rank:** 10978

## Meanings
1. How likely it is that something will happen.
2. A number between 0 and 1 that measures exactly how likely an event is.

## Examples
- There is a high probability of rain this afternoon.
- The probability of rolling a six on a fair die is one in six.

## Synonyms
- likelihood
- likeliness
- probableness
- probality

## Derived Forms
- equiprobability
- improbability
- isoprobability
- nonprobability
- probabilistic
- probit
- quasi-probability
- quasiprobability

## Related Forms
- credence
- odds
- possibility
- probable
- verisimilitude

## Roots and Affixes
- Root: probabilité
- Root: probābilitās

## Etymology
From Middle French probabilité, from Latin probābilitās (“probability, credibility”), from probābilis (“probable, credible”).

## AI Etymology
Probability comes from Middle French probabilité, from Latin probābilitās (“probability, credibility”), from probābilis (“probable, credible”). The historical chain includes probabilité (Middle French), probābilitās (Latin). In present-day English it covers how likely it is that something will happen and a number between 0 and 1 that measures exactly how likely an event is. The wider family includes derived forms such as equiprobability, improbability, isoprobability, nonprobability, probabilistic and related forms such as credence, odds, possibility, probable.

## Topics
- Numbers & Quantity

markdown

probability

Meanings

Thesaurus

Common collocations

Etymology

Topics

External links

Keyboard Shortcuts

General

Send feedback