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unrational
Derived word form of rational

Example Sentences

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The word empirical in its ordinary use does not mean "connected with experiment," but rather crude and unrational.

From Democracy and Education: an introduction to the philosophy of education by Dewey, John

Mysticism is here conceived as unethical, unhistorical, and unrational.

From Theology and the Social Consciousness A Study of the Relations of the Social Consciousness to Theology (2nd ed.) by King, Henry Churchill