Definition of 'ace'

Noun

1. the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch at one"
      Synonyms: one 1 I single unity
2. one of four playing cards in a deck having a single pip on its face
3. someone who is dazzlingly skilled in any field
      Synonyms: adept champion sensation maven mavin virtuoso genius hotshot star superstar whiz whizz wizard wiz
4. a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey
      Synonyms: Allied Command Europe
5. a serve that the receiver is unable to reach

Verb

1. succeed at easily; "She sailed through her exams"; "You will pass with flying colors"; "She nailed her astrophysics course"
      Synonyms: breeze through pass with flying colors sweep through sail through nail
2. score an ace against; "He aced his opponents"
3. play (a hole) in one stroke
4. serve an ace against (someone)

Adjective

1. of the highest quality; "an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"
      Synonyms: A-one crack fantastic first-rate super tiptop topnotch tops

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