As an adjective overeffusive
is excessively effusive.
As an adverb gushingly is
in a gushing manner; with overeffusive sentimentality.
gushingly
English
Adverb
(
en adverb)
In a gushing manner; with overeffusive sentimentality.
* 1998 , Robert Stone, Damascus Gate
- "We went to see Guys and Dolls in New York," Maria Clara said gushingly . "It was so typical. We thought of you."