deamhan, m. (gs. & npl. -ain, gpl. ~).1. Demon. ~ aeir, uisce, air-, water-, demon. ~ coimhdeachta, familiar spirit; evil genius. ~ fola, vampire. Ó thigh (an) deamhain go tigh (an) diabhail, out of the frying-pan into the fire. 2. (In negative phrases usually lenited) (Do) dheamhan a bhfuil air, there is nothing the matter with him. Dheamhan a bhfaca mé, I saw nothing. Dheamhan greim a fuair mé, never a bite did I get. Dheamhan aithne air (go), one would never know by him (that). Dheamhan d’athrach a rinne é, it was none other than you who did it. Dheamhan mo chos a rachadh ann, I wouldn’t set foot there. Dheamhan a fhios agam, I haven’t the faintest idea. Dheamhan, an ~, ceann, never a one.