Standard Lemma guide

prognosticator

noun · 2 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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  • /pɹɒɡˈnɒstɪkeɪtə(ɹ)/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

One who prognosticates or makes predictions; one who forecasts or guesses.

Definition source: English Wiktionary via Wiktextract

Examples

  • Plenty of prognosticators try to forecast the ups and downs of the market.

Meaning relationships

Synonyms: prognosticant

Antonyms: none provided

2

noun

Meaning 2

someone who makes predictions of the future (usually on the basis of special knowledge)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: forecaster, predictor, soothsayer

Antonyms: none provided

Broader terms: visionary, illusionist, seer

Narrower terms: astrologer, astrologist, fortuneteller, fortune teller

History

Etymology

Etymology tree Proto-Indo-European *per-der.? Proto-Indo-European *per-der.? Proto-Indo-European *pér Proto-Indo-European *-o Proto-Indo-European *próder. Ancient Greek πρό (pró) Ancient Greek προ- (pro-) Proto-Indo-European *ǵneh3- Proto-Indo-European *-tis Proto-Indo-European *ǵneh3tisder. Ancient Greek γνῶσις (gnôsis) ▲ Ancient Greek -σῐς (-sĭs) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) ? Proto-Indo-European *-tós Proto-Hellenic *-tós Ancient Greek -τος (-tos) ▲ Ancient Greek -κός (-kós) ? Ancient Greek -τῐκός (-tĭkós) Ancient Greek γνωστῐκός (gnōstĭkós) ▲ Ancient Greek προ- (pro-) ▲ Ancient Greek γνῶσῐς (gnôsĭs) Ancient Greek πρόγνωσῐς (prógnōsĭs) ▲ Ancient Greek -τῐκός (-tĭkós) Ancient Greek προγνωστῐκός (prognōstĭkós)der. Medieval Latin prognosticus Proto-Italic *-āzi ▲ Latin -ereinflu. Latin -āre Medieval Latin prognosticareder. English prognosticate Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin -ātor Old French -eorbor. Middle English -our ▲ Latin -torlbor. English -or English prognosticator From prognosticate + -or.