The phrase "gross violation" means a serious and major breach of rules, laws, or moral standards. It describes a very severe or extreme offense. Full definition
It authorizes the UN Human Rights Commission to examine, «communications, together with replies of governments, if any, which appear to reveal a consistent pattern of gross violations of human rights». (religion-online.org)
«Reparation for Gross Violations of Human Rights Law and International Humanitarian Law at the International Court of Justice» in Reparations for Victims of Genocide, Crimes Against Humanity and War Crimes: Systems in Place and Systems in the Making, C. Ferstman, M. Goetz and A. Stephens (eds.) (monckton.com)
«The attention of the Defence Headquarters (DHQ) has been drawn to a report credited to an official of Amnesty International, which military personnel are involved in gross violation of human rights and torture in the North East» it said. (securitykingng.org)