You searched for: “insane
inane, insane
inane (in AYN) (adjective)
1. Very silly or stupid: Polly keeps interrupting Albert with her inane comments.
2. Empty, vacant; lacking sense or meaning; foolish, pointless: Cleo quickly got tired of the inane questions the people were asking her.
insane (in SAYN) (adjective)
Having or showing severe mental illness; mentally ill or deranged: The murderer was found to be criminally insane.

It was insane of the prisoners to think that they could get away with their inane plan to escape from prison by digging a hole through the wall.

This entry is located in the following unit: sana-, sani-, san- (page 1)
(Latin: to rage, to be mad [insane with anger]; sometimes, general enthusiasm, passion)