Phrase guide

random variable

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A quantity whose value is random and to which a probability distribution is assigned, such as the possible outcome of a roll of a dice.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

Topics: mathematics, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A measurable function from a sample space to the measurable space of possible values of the variable.

Definition source: English Wiktionary via Wiktextract

Usage: formal

Topics: mathematics, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a variable quantity that is random

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: variate, variant, stochastic variable, chance variable

Antonyms: none provided

Broader terms: variable, variable quantity

History

Etymology

No etymology was provided for this word.

Across languages

Translations

24 source translations are retained for this English entry.

  • Arabic: مُتَغَيِّر عَشْوَائِيّ (mutaḡayyir ʕašwāʔiyy) — measurable function from a sample space
  • Czech: náhodná veličina — measurable function from a sample space
  • Esperanto: stokasto — measurable function from a sample space
  • Finnish: satunnaismuuttuja — measurable function from a sample space
  • German: Zufallsvariable — measurable function from a sample space
  • German: Zufallsgröße — measurable function from a sample space
  • Greek: τυχαία μεταβλητή (tychaía metavlití) — measurable function from a sample space
  • Hebrew: משתנה מקרי (mishtané mikrí) — measurable function from a sample space
  • Hungarian: valószínűségi változó — measurable function from a sample space
  • Hungarian: valváltozó — measurable function from a sample space
  • Icelandic: hending — measurable function from a sample space
  • Icelandic: slembibreyta — measurable function from a sample space
  • Icelandic: slembistærð — measurable function from a sample space
  • Icelandic: slemba — measurable function from a sample space
  • Japanese: 確率変数 — measurable function from a sample space
  • Māori: taurangi matapōkere — measurable function from a sample space
  • Polish: zmienna losowa — measurable function from a sample space
  • Romanian: variabilă aleatorie — measurable function from a sample space
  • Romanian: variabilă incidentală — measurable function from a sample space
  • Spanish: variable aleatoria — measurable function from a sample space
  • Swedish: slumpvariabel — measurable function from a sample space
  • Tagalog: alisagang aligin — measurable function from a sample space
  • Ukrainian: випадко́ва величина́ (vypadkóva velyčyná) — measurable function from a sample space
  • Welsh: hapnewidyn — measurable function from a sample space