groovy Synonyms

smashing swell peachy neat slap-up not bad nifty keen great swagger dandy cracking corking bully supernal wonderful splendid super superb superior topping terrific syncopated a-ok mod with-it prizewinning trendsetting gangbusters frontline fab trendy marvellous bonzer boffo blue chip far-out bang up crackerjack winey sensational ripping glorious funky first-class fine fantastic fabulous excellent dynamite