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.

His football is reminiscent of Ken Kesey’s insane asylum.

From The Wall Street Journal

“For them to raise my health insurance almost 400% is just insane to me,” Wernicke said.

From Los Angeles Times

I mean, it’s just insane, but we seem to be clawing a little bit of that back.

From The Wall Street Journal

"We played Quins there for Bristol a couple of months back and that was unbelievable, the crowd was insane," he said.

From BBC

So the insane volatility of the price of precious metals recently is another reason to look at insuring any precious-metal pieces.

From MarketWatch