Thesaurus.com
Dictionary.com
Showing results for insane. Search instead for hinsank.
Definitions

insane

[in-seyn] / ɪnˈseɪn /
ADJECTIVE
mad
Synonyms
STRONGEST
crazy delirious demented deranged frantic frenzied kooky nutty
WEAK
aberrant bananas batty crazed cuckoo daft frenetic loony lunatic non compos mentis of unsound mind off one's rocker out of one's mind raving unbalanced unhinged unsound unstable
Antonyms
STRONGEST
balanced calm collected rational reasonable sane sensible wise
WEAK
OK sound unenthusiastic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

All for the joy of crummy schools, insane rent, costly utilities and a collapsing transit infrastructure.

From The Wall Street Journal • May 7, 2026

“The network is insane because, at this point, everyone knows someone who is doing something,” Vital Lyfe COO Andrew Harner told MarketWatch.

From MarketWatch • May 7, 2026

The self-confessed rap fan even threw in some hip-hop lyrics, declaring Iran's leaders to be, in the words of Cypress Hill, "insane in the brain."

From Barron's • May 6, 2026

Grieving is also time to get angry and justified in your own insane behavior.

From Slate • Apr. 23, 2026

It vibrated on the floor until I got out of bed to see who would call me at such an insane hour.

From "Here to Stay" by Sara Farizan

Vocabulary lists containing insane

salu, san (health)

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!