Breadcrumb Home > Thesaurus > F Synonyms of firebug Find synonyms for: Noun 1. arsonist, incendiary, firebug, criminal, felon, crook, outlaw, malefactor usage: a criminal who illegally sets fire to property 2. firebug, heteropterous insect usage: a true bug: brightly colored bug that can exude a stain WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of firebug (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: rort Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language