Is “Insanely” a Scrabble word?
Yes
INSANELY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Insanely
/ɪnˈseɪnli/
adverb
1.In an insane manner; not sanely.
2.To a great degree; very much.
“Disney has some insanely fun roller coasters.”