Breadcrumb Home > Thesaurus > H Synonyms of harebrained Find synonyms for: Adjective 1. harebrained, insane, mad, foolish (vs. wise) usage: very foolish; "harebrained ideas"; "took insane risks behind the wheel"; "a completely mad scheme to build a bridge between two mountains" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of harebrained (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: pinguid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language