Breadcrumb Home > Thesaurus > P Synonyms of periodic sentence Find synonyms for: Noun1. periodic sentence, complex sentenceusage: a complex sentence in which the main clause comes last and is preceded by the subordinate clauseWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language