prohibit, v.tr.1Coiscim, toirmiscim, crosaim (rud). Smoking is prohibited, níl cead caite tobac anseo; cosc ar thobac. To prohibit s.o. from doing sth., rud a chros ar dhuine; duine a chros ar rud a dhéanamh. 2Coinním, bacaim(s.o. from doing sth.), duine ó rud a dhéanamh).