Noun
(uncountable) The quality or condition of being unintelligible.
(countable) Something that is unintelligible.
Source: en.wiktionary.orgNevertheless, the ultimate business of philosophy is to preserve the force of the most elemental words in which Dasein expresses itself, and to keep the common understanding from levelling them off to that unintelligibility which functions in turn as a source of pseudo-problems. Martin Heidegger
The greatest saving one can make in the order of thought is to accept the unintelligibility of the world - and to pay attention to man. Albert Camus