Synonyms of ace in English:

ace


See definition of ace

noun

1‘a rowing ace’

SYNONYMS
expert, master, genius, virtuoso, maestro, professional, adept, past master, doyen, champion, star, winner
wunderkind
informal demon, pro, wizard, hotshot, whizz, wiz, ninja
British informal dab hand
North American informal maven, crackerjack
ANTONYMS

amateur


adjective

1‘an ace tennis player’

SYNONYMS
excellent, very good, first-rate, first-class, marvellous, wonderful, magnificent, outstanding, superlative, formidable, virtuoso, masterly, expert, champion, fine, consummate, skilful, adept
informal great, terrific, tremendous, superb, fantastic, stellar, sensational, fabulous, fab, crack, hotshot, A1, mean, demon, awesome, magic, wicked, tip-top, top-notch
British informal brilliant, brill, smashing
North American informal badass
vulgar slang shit-hot
ANTONYMS

mediocre, amateurish