Synonym: 1, A-one, ACE, Allied Command Europe, I, adept, breeze through, champion, crack, fantastic, first-rate, genius, hotshot, maven, mavin, nail, one, pass with flying colors, sail through, sensation, single, star, super, superstar, sweep through, tiptop, topnotch, tops, unity, virtuoso, whiz, whizz, wiz, wizard. Similar words: face to face, face, race, mace, dace, pace, place, facet. Meaning: [eɪs] 
n. 1. the smallest whole number or a numeral representing this number 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 4. a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey 5. a serve that the receiver is unable to reach. v. 1. succeed at easily 2. score an ace against 3. play (a hole) in one stroke 4. serve an ace against (someone). adj. of the highest quality.
n. 1. the smallest whole number or a numeral representing this number 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 4. a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey 5. a serve that the receiver is unable to reach. v. 1. succeed at easily 2. score an ace against 3. play (a hole) in one stroke 4. serve an ace against (someone). adj. of the highest quality. 
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211) One thought that long periods ent in ace might make it nece ary for an astronaut to have a private line of communication to his stock broker.
212) Tom seems awfully confident. He must have an ace in the hole.