Breadcrumb Home > Thesaurus > B Synonyms of baseless Find synonyms for: Adjective 1. baseless, groundless, idle, unfounded, unwarranted, wild, unsupported (vs. supported) usage: without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of baseless (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: hagiography Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language