impervious

Definition

Unaffected or unable to be affected by something.

Etymology

From Latin impervius (“that cannot be passed through”), from in- (“not”) + pervius (“letting things through”).

Example Sentences

• "The man was completely impervious to the deception we were trying."
• "Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited."
• "For the past decade there were two more or less universally acknowledged truths about digital advertising. First, the rapidly growing industry was largely impervious to the business cycle."