Standard Lemma guide

oopart

noun · 1 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

An object found in a very unusual or apparently impossible archaeological context (like the Coso sparkplug found in an allegedly 500,000-year-old geode) which would challenge conventional historiography and chronology if authentic.

Definition source: English Wiktionary via Wiktextract

Qualifier: conspiracy theory

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Abbreviation of "out of place artifact".

Across languages

Translations

2 source translations are retained for this English entry.

  • Japanese: オーパーツ (ōpātsu) — Translations
  • Thai: โอพาร์ต (ōo-páat) — Translations