主しゅ述じゅつMeanings1nounsubject and predicategrammarLinguistics term referring to the subject-predicate structure of a sentence.日本にほん語ごの文ぶんは主しゅ述じゅつ関かん係けいが明めい確かくでないことも多おおい。In Japanese sentences, the subject-predicate relationship is often not explicit.