Definition of Syncategorematic 1. Of a term that cannot stand as the subject or (especially) the predicate of a proposition but must be used in conjunction with other terms Adjective Semanticaly linked words with "syncategorematic" Antonyms to adjective "syncategorematic" Lexical Analysis for "syncategorematic" categorematic of a term or phrase capable of standing as the subject or (especially) the predicate of a proposition syncategorem a syncategorematic expression; a word that cannot be used alone as a term in a logical proposition syncategoreme a syncategorematic expression; a word that cannot be used alone as a term in a logical proposition