Breadcrumb Home > Thesaurus > S Synonyms of sesquicentennial Find synonyms for: Noun 1. sesquicentennial, anniversary, day of remembrance usage: the 150th anniversary (or the celebration of it) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sesquicentennial (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Ramadan and Eid al-Fitr 42 Best War Movie Quotes Current Events This Week: March 2023 Recycling Facts William Shakespeare Worst U.S. Forest Fires ✖ Related Content Daily Word Quiz: manoamano Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language