alogism
noun
al·o·gism
ˈaləˌjizəm
plural -s
1
: anything that is contrary or indifferent to logic
specifically : an irrational statement or piece of reasoning
2
: a view that denies to thought a place in the valid and final apprehension of reality
Word History
Etymology
Late Latin alogia unreasonableness (from Greek, from a- a- entry 2 + -logia -logy) + English -ism
First Known Use
1679, in the meaning defined at sense 1