SYNONYMS
impressive, remarkable, extraordinary, outstanding, exceptional, staggering, incredible, amazing, astonishing, phenomenal, coruscating, imposing, breathtaking, thrilling
excellent, wonderful, magnificent, splendid, marvellous, superb, very good, first-rate, first-class, awe-inspiring, superlative, matchless, peerless
informal mind-boggling, mind-blowing, out of this world, fabulous, fab, super, supercalifragilisticexpialidocious, fantastic, tremendous, great, terrific, stellar, sensational, ace, A1, cool, awesome, amazeballs, magic, wicked, tip-top, top-notch, out of sight, way-out
British informal brill, smashing
North American informal badass
Australian, New Zealand informal bonzer
British informal, dated capital, spiffing, topping, top-hole, wizard
literary wondrous