ace

ace1 [ eıs ] noun count

1. ) in card games, a card with only one symbol and either the highest or lowest value in a SUIT:

the ace of hearts

2. ) in tennis, a very fast SERVE (=first hit of the ball) that your opponent cannot reach with their RACKET

3. ) AMERICAN in golf, an occasion in which a player hits the ball into the hole with one shot

4. ) INFORMAL someone who is very good at doing something:

an ace at solving puzzles

an ace in the hole AMERICAN INFORMAL

a secret or hidden advantage that you can use when you need it

hold/have all the aces

to have a big advantage over other people

within an ace of doing something

almost doing something, or nearly succeeding in doing it

ace

ace 2 [ eıs ] verb transitive AMERICAN

1. ) INFORMAL to get the best grade possible on a test, a piece of written work, etc.:

I'm sure I aced that geography test.

2. ) to hit an ace in tennis or golf

ace

ace 3 [ eıs ] adjective

1. ) only before noun INFORMAL very skillful:

an ace pilot/player/skier

2. ) SPOKEN very good:

Their new song is ace!