ace

Reading level: hard

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun the smallest whole number or a numeral representing this number
  2. noun one of four playing cards in a deck having a single pip on its face
  3. noun someone who is dazzlingly skilled in any field

Etymology

Inherited from Middle English as, from Old French as, from Latin as, assis (“unity, copper coin, the unit of coinage”), probably borrowed from Etruscan. Doublet of as.

In classic literature

Synonyms

one, 1, I, single, unity

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