noun Archaic.
- lack of wisdom; foolishness.
noun
- archaic lack of wisdom
“foolish,” mid-15c., from Latin insipientem (nominative insipiens) “unwise, foolish,” from in- “not” (see in- (1)) + sapientem (see sapient). “Now mostly, or wholly, disused to avoid confusion with incipient” [OED].
early 15c., “lack of wisdom, foolishness,” from Old French insipience, from Latin insipientia “folly,” from insipientem (see insipient).