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Definition of insanely

insanely

/ɪnˈseɪn.li/
in · sane · ly
Adjective:insane
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insanely Lexical Profile

insanely Game Scores & Validity

• adverb

1

To an extreme, excessive, or astonishing degree (used informally as an intensifier).

Example

"The young pianist is insanely talented and has already performed at several international venues."

2

In a manner that is mentally deranged, irrational, or wildly foolish.

Example

"The character laughed insanely after discovering that the treasure chest was completely empty."

Synonyms
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Antonyms
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• Rhymes for insanely

• Nearby Words

inroad
inrush
insane
insanely
insaneness
insanitary
insanity

Word Origin & Etymology

Formed in the 16th century from the adjective 'insane' plus the adverbial suffix '-ly'. 'Insane' derives from the Latin 'insanus' (meaning 'unsound in mind' or 'mad'), from the prefix 'in-' ('not') and 'sanus' ('healthy').

Cite this Entry

Wordmom. (2026). Definition of Insanely. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/insanely
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