passel /ˈpæsl/ noun2 •A group of opossums or possums.Marking each baby with a different color is another way for rehabbers to tell who's who in a passel of possums. — 2022 •(Appalachia, informal) An indeterminately large quantity or group.That child will like as not come here with a passel o' things borrowed from the rest o' the family. She'll have Hannah's shoes and John's undershirts and Mark's socks most likely. — 1903 formspassels