Ma'anar ƙamus na kalmar "zushewa" shine kasancewa cikin yanayi mai girma ko tashin hankali, sau da yawa yana tare da fushi ko motsin rai. Yana kuma iya nufin wani ruwa da ke tafasa ko bubbuga sosai. Ana iya amfani da kalmar don bayyana yanayin tunanin mutum, da kuma yanayin zahiri na wani abu. Wasu ma'anar ma'anar "zama" sun haɗa da tafasa, fushi, hayaki, simmering, da hayaki.