"Widespread hostility" refers to a situation where there is a large amount of anger, hatred, or unfriendliness towards someone or something, often by many people or in many places. Full definition
Another survivor's story described Captain Fraser's death from natural causes, but Eliza's stories inspired widespread hostility towards Aborigines. (myfavouriteescapes.com)
When the Irish arrived en masse, they were met with widespread hostility from those who viewed them as competition for jobs and housing. (politics.co.uk)
When he left, the Republican right was «unleashed,» poised to drive the party in its own direction (and that of the Reagan presidency) by capitalizing on widespread hostility toward the cultural changes of the 1970s that many believed had been foisted upon America by ideological liberals. (firstthings.com)