unreflecting

Tess was taken completely by surprise, and she yielded to his embrace with unreflecting inevitableness.

Also the walls of the room were a deep, unreflecting red, and his eyes were getting old.

With unreflecting men, classification is often emotional rather than intellectual.

This is especially true if his dominant impulses are the unreflecting emulative propensities of the predaceous temperament.

That is to say, suggestions which these epithets carry are very acceptable to our unreflecting apprehension.