a playing card with a single spot on it, ranked as the highest card in its suit in most card games
the ace of diamonds
life had started dealing him aces again
(in tennis and similar games) a service that an opponent is unable to return and thus wins a point
Nadal banged down eight aces in the set
(in tennis and similar games) serve an ace against (an opponent)
he can ace opponents with serves of no more than 62 mph
achieve high marks in (a test or exam)
I aced my grammar test
an asexual person
both asexual, they have managed to connect with other aces offline