Thesaurus:excellent

• ace (UK, slang)

• admirable

• awesome    [WS] (colloquial)

• bang on

• bang-up

• beneship (thieves' cant)

• bitching (slang)

• brilliant

• bully

• cher (NZ)

• chur (NZ)

• cock on

• cool (slang)

• copacetic

• crackerjack

• cushty (UK, slang)

• excellent

• exceptional

• fab (slang)

• fabulous

• fantabulosa (Polari)

• fantastic    [WS]

• first-rate

• frabjous

• gnarly

• great

• grouse

• lash (UK dialect)

• lautitious (chiefly prandial)

• lit (slang)

• marvelous

• nang (MLE)

• outstanding

• out of sight

• peng (MLE)

• phenomenal

• pukka (UK, slang)

• rad (slang)

• radical (slang)

• rum (obsolete)

• slap-up

• slick (slang)

• spiffing

• splendid

• sterling

• super

• superb

• superior    [WS]

• sweet    [WS] (slang)

• swell (slang)

• terrific

• tight    [WS] (slang)

• top-drawer

• top-notch

• top-of-the-range

• top-shelf

• wicked (slang)

• wicked pissah (New England, slang)

• wonderful    [WS]

• bad    [WS]

• inferior    [WS]

• deathless