Phrase guide

fat tail

noun · 4 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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1

noun

Meaning 1

A mass of fat stored in the rump of a beast as an adaptation to heat and harsh environmental conditions or selection by man.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The relatively high probability of a relatively extreme outcome.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A tail of a probability distribution with significantly higher kurtosis than a normal distribution (which has kurtosis = 0).

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, probability, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A tail of a probability distribution with infinite variance.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, probability, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

21 source translations are retained for this English entry.

  • Southern Altai: јуулу куйрук (ǰuulu kuyruk) — fat-tail of beast
  • Southern Altai: куйрук (kuyruk) — fat-tail of beast
  • Amharic: ላት (lat) — fat-tail of beast
  • Arabic: أَلْيَة (ʔalya) — fat-tail of beast
  • Aramaic: ܐܠܝܬܐ — fat-tail of beast
  • Classical Mandaic: ࡀࡋࡉࡕࡀ (alita) — fat-tail of beast
  • Aramaic: ܐܠܝܬܐ (ʾellīṯā) — fat-tail of beast
  • Jewish Babylonian Aramaic: אֲלִיתָא (ʾalīṯā) — fat-tail of beast
  • Aramaic: אֲלִּיתָה (ʾallīṯā) — fat-tail of beast
  • Aramaic: אֲלִּיתָא (ʾallīṯā) — fat-tail of beast
  • Aramaic: אלייתה — fat-tail of beast
  • Finnish: rasvahäntä — fat-tail of beast
  • German: Fettschwanz — fat-tail of beast
  • Harari: ለት (lǟt) — fat-tail of beast
  • Hebrew: אַלְיָה (ʾalyā) — fat-tail of beast
  • Kazakh: құйрық (qūiryq) — fat-tail of beast
  • Central Kurdish: دووڤ (dûv) — fat-tail of beast
  • Northern Kurdish: dûv — fat-tail of beast
  • Russian: курдю́к (kurdjúk) — fat-tail of beast
  • Silt'e: ላት (lāt) — fat-tail of beast
  • Swedish: fettsvans — fat-tail of beast