No smoking, please. by Dwane | Sep 4, 2014 | Education, English, Greek, Vocabulary | Acapnotic: a non smoker. From Greek ά (not, without) and καπνός (smoke). Want to tell your friends “No, thanks!” without being rude? Tell them you are acapnotic. They will think you have a medical condition. And, you will smile at your cleverness.