ACE Definition - ACE Meaning

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" [syn: {one}, {}, {I}, {ace}, {single}, {unity}]

2 : one of four playing cards in a deck having a single pip on its face [syn: {ace}]

3 : someone who is dazzlingly skilled in any field [syn: {ace}, {adept}, {champion}, {sensation}, {maven}, {mavin}, {virtuoso}, {genius}, {hotshot}, {star}, {superstar}, {whiz}, {whizz}, {wizard}, {wiz}]

4 : proteolytic enzyme that converts angiotensin I into angiotensin II [syn: {angiotensin converting enzyme}, {angiotensin-converting enzyme}, {ACE}]

5 : a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey [syn: {Allied Command Europe}, {ACE}]

6 : a serve that the receiver is unable to reach [syn: {ace}]

7 : succeed at easily; "She sailed through her exams"; "You will pass with flying colors"; "She nailed her astrophysics course" [syn: {breeze through}, {ace}, {pass with flying colors}, {sweep through}, {sail through}, {nail}]

8 : score an ace against; "He aced his opponents" [syn: {ace}]

9 : play (a hole) in one stroke [syn: {ace}]

10 : serve an ace against (someone) [syn: {ace}]

11 : 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" [syn: {ace}, {A-one}, {crack}, {first-rate}, {super}, {tiptop}, {topnotch}, {top-notch}, {tops}]