adj.
Pronunciation: i- ' fyü-siv, e-, -ziv
Function: adjective
Date: 1662
1 : marked by the expression of great or excessive emotion or enthusiasm < effusive praise>
2 archaic : pouring freely
3 : characterized or formed by a nonexplosive outpouring of lava < effusive rocks>
– ef · fu · sive · ly adverb
– ef · fu · sive · ness noun