neg·a·tiv·i·ty 
/ˌnɛgəˈtɪvəti/ noun
/ˌnɛgəˈtɪvəti/ noun [noncount] : an attitude in which someone considers only the bad qualities of someone or something
▪ Her negativity about society began to depress me. ▪ There is a lot of negativity about the new boss.
▪ Her negativity about society began to depress me. ▪ There is a lot of negativity about the new boss.
