Synonyms and Antonyms of relentless
showing no signs of slackening or yielding in one's purpose <the team's offense was relentless in trying to score a touchdown> Synonyms determined, dogged, grim, implacable, unyielding, unappeasable, unflinching, unrelentingRelated Words persevering, persistent, tenacious; hard, hardheaded, headstrong, intractable, mulish, obdurate, opinionated, peevish, pertinacious, perverse, pigheaded, self-willed, stubborn, uncooperative, willful (or wilful); merciless, ruthless, unforgivingNear Antonyms slackening, softening, yielding; impotent, invertebrate, slack, spineless, weak; complaisant, obliging, pliable, pliant
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