(Slang) Great; splendid; fine:
Very good; better than expected but not as good as could be.
(Slang) Excellent, good, funny, etc.
(Slang) Excellent, wonderful, delightful, etc.
Find another word for groovier. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for groovier, like: niftier, keener, dandier, hotter, dreamier and better.