Breadcrumb Home > Thesaurus > R Synonyms of ruthless Find synonyms for: Adjective 1. pitiless, remorseless, ruthless, unpitying, merciless (vs. merciful), unmerciful usage: without mercy or pity; "an act of ruthless ferocity"; "a monster of remorseless cruelty" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ruthless (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: preternatural Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language