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

The incredibly dark and gritty CIA/military series from Taylor Sheridan might be the best work he's ever put on TV, and that's an insanely high bar to clear. — David Hookstead Outkick, FOXNews.com, 28 July 2026

Fresh off her insanely on-theme Challengers fashion run, Zendaya stayed winning at the 2024 Met Gala in a stunning Maison Margiela Couture gown that was, quite literally, in full bloom. — Shelby Comroe, InStyle, 25 July 2026

Most grocery store loaves are dense, relatively flavorless and insanely priced. — Sophie Lindberg, Kansas City Star, 17 July 2026

Nobody needs to be interested in how to steal the world’s most valuable commodity without getting caught and becoming wildly, insanely rich. — Literary Hub, 14 July 2026

Word History

First Known Use

1683, in the meaning defined at sense 1

Rhymes for insanely

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