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

All that was was a reminder of how insanely fit soccer referees have to be. — Matt Reigle Outkick, FOXNews.com, 19 June 2026

To be fair, 200 lux is not insanely bright. — Literary Hub, 17 June 2026

Damn, Rodrigo looks insanely beautiful in an old-timey nurse’s outfit. — Emma Specter, Vogue, 12 June 2026

What a great excuse to weave insanely disparate situations into one narrative; obliterate the line between realistic and whimsical. — Andrew P. Collins, The Drive, 11 June 2026

Word History

First Known Use

1683, in the meaning defined at sense 1

Rhymes for insanely

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