Phrase guide

cast out nines

verb · 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

verb

Meaning 1

To apply a procedure for verifying whether an arithmetic operation is probably correct or certainly incorrect using modulo characteristics of the digit 9.

Definition source: English Wiktionary via Wiktextract

Topics: arithmetic

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

9 source translations are retained for this English entry.

  • Bulgarian: сверявам (sverjavam) — verification of an arithmetic operation
  • Bulgarian: сверя (sverja) — verification of an arithmetic operation
  • Catalan: prova del nou — verification of an arithmetic operation
  • Dutch: negenproef — verification of an arithmetic operation
  • French: preuve par neuf — verification of an arithmetic operation
  • German: Neunerprobe — verification of an arithmetic operation
  • Italian: prova del nove — verification of an arithmetic operation
  • Portuguese: fazer a prova dos nove — verification of an arithmetic operation
  • Spanish: prueba del nueve — verification of an arithmetic operation