appassire bedeutet auf Englisch

sweat [sweated, sweating, sweats]▼(transitive: to cook slowly without browning)
verb
[UK: swet] [US: ˈswet]

wilt [wilted, wilting, wilts]▼(to droop)
verb
[UK: wɪlt] [US: ˈwɪlt]

wither [withered, withering, withers]▼((intransitive) shrivel, droop, dry up)
verb
[UK: ˈwɪ.ðə(r)] [US: ˈwɪ.ðər]The flowers have all withered. = I fiori sono tutti appassiti.