Illogicity
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Illogical stupidity - When someone just doesnt seem to comprehend rational and logical thought, and makes decisions that would [baffle] anyone with any sense. What makes [illogicity] unique is that the subject believes him/herself to be undertaking the correct action, making a decision based on fact and circumstance. [The truth of the matter] is, however, that they are performing the most illogical possible outcome that could be derived from any situation, and are blind and oblivious to this matter.
Illogicity meaning & definition 1 of Illogicity.