(noun, adjective, verb)


1. of the highest quality

- an ace reporter

Similar word(s): superior, crack, super, tiptop, topnotch, tops


1. the smallest whole number or a numeral representing this number

Similar word(s): one, single, unity

Definition categories: quantity, digit, figure

2. one of four playing cards in a deck having a single pip on its face

Definition categories: man–made

3. someone who is dazzlingly skilled in any field

Similar word(s): adept, champion, genius, hotshot, maven, mavin, sensation, star, superstar, virtuoso, whiz, whizz, wiz, wizard

Definition categories: person, expert

4. proteolytic enzyme that converts angiotensin I into angiotensin II

Definition categories: substance, peptidase, protease, proteinase

5. a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey

Definition categories: group, headquarters

6. a serve that the receiver is unable to reach

Definition categories: act, serve, service

Sentences with ace as a noun:

- I have the ace of diamonds.


1. succeed at easily

Similar word(s): nail

Definition categories: social, pass

2. score an ace against

- He aced his opponents

Definition categories: competition, hit, score, tally

3. play (a hole) in one stroke

Definition categories: competition, play

4. serve an ace against (someone)

Definition categories: competition, serve