From WordNet (r) 3.0 (2006):
ace
adj 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" [syn: ace, A-one, crack,
first-rate, super, tiptop, topnotch, top-notch,
tops(p)]
n 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, 1, I,
ace, 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 [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
v 1: 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]
2: score an ace against; "He aced his opponents"
3: play (a hole) in one stroke
4: serve an ace against (someone)