INSANELY

madly, insanely, deadly, deucedly, devilishly

(adverb) (used as intensives) extremely; “she was madly in love”; “deadly dull”; “deadly earnest”; “deucedly clever”; “insanely jealous”

insanely, crazily, dementedly, madly

(adverb) in an insane manner; “she behaved insanely”; “he behaves crazily when he is off his medication”; “the witch cackled madly”; “screaming dementedly”

Source: WordNet® 3.1

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Etymology

Adverb

insanely (comparative more insanely, superlative most insanely)

In an insane manner; not sanely.

To a great degree; very much.

Source: Wiktionary

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In*sane"ly, adv.

Definition: Without reason; madly; foolishly.

INSANE

In*sane", a. Etym: [L. insanus. See In- not, and Sane.]

1. Exhibiting unsoundness or disorded of mind; not sane; mad; deranged in mind; delirious; distracted. See Insanity, 2.

2. Used by, or appropriated to, insane persons; as, an insane hospital.

3. Causing insanity or madness. [R.] Or have we eaten on the insaneroot That takes the reason prisoner Shak.

4. Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc. I know not which was the insane measure. Southey.

Source: Webster’s Unabridged Dictionary 1913 Edition

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