(ˈ)āˈkad. ə lˌepsē noun
( -es )
Etymology: Greek akatalēpsia, from a- a- (II) + katalēpsis comprehension, seizing + -ia — more at catalepsy
1. : an ancient Skeptic doctrine that human knowledge amounts only to probability and never to certainty
2. : real or apparent impossibility of arriving at certain knowledge or full comprehension