early 15c., "lack of wisdom, foolishness," from Old French insipience (15c.) or directly from Latin insipientia "folly, unwisdom," from insipientem "unwise, foolish" (see insipient).
Entries linking to insipience
insipient adj.
"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].