Breadcrumb Home > Thesaurus > R Synonyms of regicide Find synonyms for: Noun 1. regicide, killer, slayer usage: someone who commits regicide; the killer of a king 2. regicide, murder, slaying, execution usage: the act of killing a king WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of regicide (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: jingoism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language