Ace (baseball)
WordNet
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"
noun
(2) A serve that the receiver is unable to reach
(3) One of four playing cards in a deck having a single pip on its face
(4) A major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey
(5) Someone who is dazzlingly skilled in any field
(6) 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"
verb
(7) Serve an ace against (someone)
(8) Play (a hole) in one stroke
(9) Score an ace against
"He aced his opponents"
(10) Succeed at easily
"She sailed through her exams"
"You will pass with flying colors"
"She nailed her astrophysics course"