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

Let the Ophelia team teach you how to create the best breakfast sandwiches or the team at the insanely popular kosher bakery Bakey to demonstate the finer arts of babka-making. — Connie Ogle, Miami Herald, 2 Nov. 2026

Fans were insanely passionate and regionally focused, and the game reflected that. — Austin Perry Outkick, FOXNews.com, 17 Oct. 2026

Part of me feels a little bad about making people like Probyn, who are insanely talented, do such ridiculous things, but that’s sort of the gig. — Andy Greene, Rolling Stone, 8 Oct. 2026

The announcement comes as Slayyyter closes out an insanely successful year. — Alicia Urrea, Billboard, 6 Oct. 2026

Word History

First Known Use

1683, in the meaning defined at sense 1

Rhymes for insanely

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