The word "unanswerable" means that there is no valid or correct response or solution to a certain question or problem. It suggests that it cannot be resolved or answered satisfactorily. Full definition
We pick up the pieces of our crushed hopes and shattered dreams of a glorious title challenge and all we are left with is a miasma of unanswerable questions. (arsenalindiasupporters.com)
Myths, whether in written or visual form, serve a vital role of asking unanswerable questions and providing unquestionable answers. (scientificamerican.com)
Essence of the Orb identifies that man is faced with unanswerable questions concerning the metaphysical, the transcendental and the existential and this exhibition embraces those artists who have attempted to capture the complexity of the unknown. (michaelrosenfeldart.com)