- in an insane manner;
"she behaved insanely"
"he behaves crazily when he is off his medication"
"the witch cackled madly"
- (used as intensives) extremely;
"she was madly in love"
- That makes her insanely jealous.
- He died insanely at the age of forty.
- Be advised that 100% is just insanely bright.
- Enters in September, US dollar is rises insanely.
- He tried insanely to drown himself in a two-foot pool of water.