Standard Lemma guide

unpredictability

noun · 5 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AH2 N P R AH0 D IH2 K T AH0 B IH1 L IH0 T IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The quality of being unpredictable.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Something which is unpredictable.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

the quality of being guided by sudden unpredictable impulses

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: capriciousness

Antonyms: none provided

Broader terms: inconstancy, changefulness

4

noun

Meaning 4

lacking predictability

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: predictability

Broader terms: uncertainty, uncertainness, precariousness

5

noun

Meaning 5

the trait of being unpredictably irresolute

Definition source: Princeton WordNet 3.0

Examples

  • the volatility of the market drove many investors away

Meaning relationships

Synonyms: volatility

Antonyms: none provided

Broader terms: irresoluteness, irresolution

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English predictability English unpredictability From un- + predictability.

Across languages

Translations

26 source translations are retained for this English entry.

  • Catalan: impredictibilitat — The quality of being unpredictable
  • Chinese Mandarin: 變化莫測 /变化莫测 (biànhuàmòcè) — The quality of being unpredictable
  • Chinese Mandarin: 出乎意料 (chūhūyìliào) — The quality of being unpredictable
  • Danish: uforudsigelighed — The quality of being unpredictable
  • Dutch: onvoorspelbaarheid — The quality of being unpredictable
  • Estonian: ettearvamatus — The quality of being unpredictable
  • Finnish: ennalta-arvaamattomuus — The quality of being unpredictable
  • French: imprévisibilité — The quality of being unpredictable
  • German: Unvorhersehbarkeit — The quality of being unpredictable
  • Hungarian: kiszámíthatatlanság — The quality of being unpredictable
  • Italian: imprevedibilità — The quality of being unpredictable
  • Māori: kumukumu — The quality of being unpredictable
  • Polish: nieprzewidywalność — The quality of being unpredictable
  • Portuguese: imprevisibilidade — The quality of being unpredictable
  • Romanian: neprevizibilitate — The quality of being unpredictable
  • Romanian: neanticipabilitate — The quality of being unpredictable
  • Russian: непредсказу́емость (nepredskazújemostʹ) — The quality of being unpredictable
  • Spanish: imprevisibilidad — The quality of being unpredictable
  • Spanish: impredecibilidad — The quality of being unpredictable
  • Swedish: oförutsägbarhet — The quality of being unpredictable
  • Ukrainian: непередба́чуваність (neperedbáčuvanistʹ) — The quality of being unpredictable
  • Ukrainian: непрогнозо́ваність (neprohnozóvanistʹ) — The quality of being unpredictable
  • Dutch: onvoorspelbaarheid — Something which is unpredictable
  • Portuguese: imprevisibilidade — Something which is unpredictable
  • Romanian: neprevizibilitate — Something which is unpredictable
  • Spanish: lo imprevisible / impredecible — Something which is unpredictable
Real reading context

unpredictability in complete knowledge articles