sortal adjective 2noun 1forms 1 adjective2 •Of or pertaining to a sort, or kind. •Having the character of a sortal.The possession of sortal concepts is a prerequisite for philosophers like Wiggins or Lowe in determining the nature and extent of our referential capacities. — 2008 noun1 •A type of universal that defines a particular sort of objectAnd central to this notion is the distinction, among semantic types of g-words, between sortals on the one hand and non-sortal general-character-specifiers on the other — 1974 formssortals