toirmisc1, v.t. & i. (vn. -measc, pp. ~the).Prohibit; prevent, hinder. Rud a thoirmeasc ar dhuine, to prohibit s.o. from doing sth; to forbid s.o. sth. An rud atá ~the, what is forbidden. Cad é atá á thoirmeasc duit? What is preventing you from doing it? Toradh ~the, forbidden fruit. (Var:toirmeascaigh)