Lunacy

1.

(insanity, utter foolishness) ដំណើរឆ្កួត
Example: It sheer lunacy driving in this weather.

1.

Insanity or madness; properly, the kind of insanity which is broken by intervals of reason, -- formerly supposed to be influenced by the changes of the moon; any form of unsoundness of mind, except idiocy; mental derangement or alienation.

2.

A morbid suspension of good sense or judgment, as through fanaticism.

Synonyms

1.

craziness, delirium, dementia, derangement, frenzy, insanity, madness, mania, psychosis

Antonyms

1.

rationality, sanity, stability