deliration

[ del-uh-rey-shuh n ]
/ ˌdɛl əˈreɪ ʃən /

noun Archaic.

mental derangement; raving; delirium.

Origin of deliration

1590–1600; < Latin dēlīrātiōn- (stem of dēlīrātiō) folly, equivalent to dēlīr(āre) to be silly, literally, go out of the furrow ( dē- de- + līr(a) furrow + -āre infinitive ending) + -ātiōn- -ation