Definition of ACE

  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
  4. (noun)a serve that the receiver is unable to reach
  5. (verb)succeed at easily
  6. (verb)score an ace against
  7. (verb)play (a hole) in one stroke
  8. (verb)serve an ace against (someone)
  9. (adj)of the highest quality