сущвраждебность, противоположность
враждебность, противоположность
антагонисти́чность
Отвлеч. сущ. по знач. прил.: антагонистичный (2).
"It is not the mountain we conquer but ourselves." Edmund Hillary
"He who angers you conquers you." Elizabeth Kenny
"Everything popular is wrong." Oscar Wilde
"The love of a mother is the veil of a softer light between the heart and the heavenly Father." Samuel Taylor Coleridge