Synonyms for

Insanely

Verb / ɪˈnseɪˈnlaɪ / Another word for insanely — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

to an extremely or excessively great extent; madly

Synonyms & similar words

deucedly crazily devilishly madly deadly dementedly sanely wildly ridiculously unbelievably excessively overly extremely unreasonably outrageously frightfully terrifically awfully absurdly insanely madly crazily frantically maniacally uncontrollably irrationally hysterically

Synonyms by register

Formal

madly crazily wildly uncontrollably

Informal

really very super extremely awesomely

Literary

frantically maniacally furiously

Antonyms

sane rational sensible reasonable calm balanced lucid

Common collocations

  • insanely difficult
  • insanely fast
  • insanely expensive
  • insanely good
  • insanely crowded
  • insanely lucky
  • insanely talented

Word family

noun insanity
adjective insane
adverb insanely

Usage note

Often used informally to mean 'extremely' or 'very'. While it can literally mean 'in a mad or mentally unsound way', this usage is less common in everyday conversation.

Example sentences

  1. He was insanely jealous of his sister's new toy.
  2. She ran insanely fast in the race.
  3. The roller coaster was insanely thrilling.
  4. The price of the car was insanely high.
  5. The crowd cheered insanely loud at the concert.

Quotes

  • 'I'm not insane, my mother had me tested.' - Sheldon Cooper
  • 'The insane, on occasion, are not without their charms.' - Kurt Vonnegut
  • 'I became insane, with long intervals of horrible sanity.' - Edgar Allan Poe

Try these popular words

the and that for you with was this are have not from

Practice

Play the Word Synonyms game · Choose level (start near 1)

Worksheets

Grade 4 · Grade 5 · Grade 6

Topics

Guides

Explore more words