adv
insanely
ihn-SAYN-lee
adv
1
To an extreme or intense degree.
"The concert tickets sold out insanely fast."
"She is insanely talented at the violin."
How to Use Insanely
Learner’s notesIn plain EnglishExtremely — used to intensify an adjective, especially in casual speech.
When to use it
Informal; common in spoken English but avoided in formal writing.
Word Forms
more insanely comparative, most insanely superlative
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The concert tickets sold out _____ fast.
Etymology
Built from insane plus the adverb suffix -ly.