nought

Reading level: hard

Estimated CEFR level: B2 — Upper-Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a mathematical element that when added to another number yields the same number

Etymology

From Middle English nought, noght, noȝt, from Old English nōwiht, nāwiht, which in turn comes from ne-ā-wiht, which was a phrase used as an emphatic "no", meaning "not anything". Equivalent to ne + ought or ne + a + wight. Doublet of naught and not.

In classic literature

Synonyms

zero, 0, cipher, cypher

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