ace

Pronunciation: US [eɪs] UK [eɪs]

n.A Solitaire (also known as "ACE"), at ... People with expertise in ... People
adj.First class, excellent
v.(Tennis) to serve to win (the other party) a part; in the (exam) score
WebAngiotensin-converting enzyme (angiotensin converting enzyme), angiotensin-converting enzyme; ACE

Synonyms

n.	1. in card games, a card with only one symbol and either the highest or lowest value in a suit 2. in tennis, a very fast servefirst hit of the ball that your opponent cannot reach with their racket 3. in golf, an occasion in which a player hits the ball into the hole with one shot 4. someone who is very good at doing something
adj.	1. very skillful 2. very good
v.	1. to get the best grade possible on a test, a piece of written work, etc. 2. to hit an ace in tennis or golf