insanely

adverb

in·​sane·​ly (ˌ)in-ˈsān-lē 

1

: in an insane manner : in a way that suggests unsoundness or disorder of mind

They sometimes gabbled insanely. One huge man was asking of the sky: "Say, where de plank road? Where de plank road!" It was as if he had lost a child.

—Stephen Crane

Glancing back, he saw all the carnage, death and misery he had caused in his career. The big rat laughed insanely and ran faster: on and on, past scenes of desolation and destruction …

—Brian Jacques

2

: to a very extreme degree

insanely jealous

insanely happy

insanely rich

The plot is insanely intricate.

—Terrence Rafferty

Justin Bieber … took to Instagram to show off the insanely expensive Audemars Piguet diamond watch he purchased for her as a birthday gift …

—Jane Meeker

Examples of insanely in a Sentence

Recent Examples on the Web

But Krieps is teeing up an insanely busy run after last year’s performance in Jim Jarmusch’s Golden Lion-winning Father, Mother, Sister, Brother. — Lily Ford, HollywoodReporter, 18 Sep. 2026

Maybe my argument was so strong, the AI would realize that its tech overlords were using this insanely powerful technology not to solve hunger or climate change, but to make reading less essential. — Literary Hub, 15 Sep. 2026

Mood-Booster Cookies Treat yourself to one of these insanely rich morsels, which fall somewhere between a truffle and a cookie, on those gray or rainy afternoons when only chocolate will do. — Ginger Crichton, Midwest Living, 10 Sep. 2026

Bad enough that the NFL has insanely scheduled a real game there. — Nick Canepa, San Diego Union-Tribune, 5 Sep. 2026

Word History

First Known Use

1683, in the meaning defined at sense 1

Rhymes for insanely

• humanely
• profanely
• ungainly
• mainly
• plainly
• sanely
• vainly