Phrase guide

extraordinary claims require extraordinary evidence

proverb · 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

proverb

Meaning 1

Outlandish and unbelievable claims must be followed by exceptional evidence to be considered acceptable in rational discourse.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Popularized by Carl Sagan.