Thesaurus

implacable

adjective

Synonyms and Antonyms of implacable

  1. 1 sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion an implacable judge who knew in his bones that the cover-up extended to the highest levels of government Synonyms adamant, adamantine, bullheaded, dogged, hard, hardened, hardheaded, hard-nosed, headstrong, immovable, obstinate, inconvincible, inflexible, intransigent, mulish, obdurate, opinionated, ossified, pat, pertinacious, perverse, pigheaded, self-opinionated, self-willed, stiff-necked, stubborn, unbending, uncompromising, unrelenting, unyielding, willful (or wilful)Related Words anal-retentive, obsessive; wayward, wrongheaded; determined, hell-bent, inexorable, persistent, relentless, resolved, set, single-minded, steadfast, stouthearted, tenacious, unflinching; firm, hard-line, hard-shell (or hard-shelled), iron, severe, stern, strict; hidebound, narrow-minded, rigid; bloody-minded [chiefly British], cantankerous; contrary, cussed; contumacious, disobedient, froward, insubordinate, intractable, recalcitrant, refractory, uncooperative, ungovernable, unmanageable, unruly; defiant, insurgent, mutinous; indomitable, invincible, unconquerable; confirmed, inveterate, unregenerate; demanding, exactingNear Antonyms docile, obedient, placable, submissive, tractable; accepting, persuadable, receptive, responsive, willing; governable, manageable, reasonable, temperate; slavish, subservientAntonyms acquiescent, agreeable, amenable, compliant, complying, flexible, pliable, pliant, relenting, yielding

  2. 2 showing no signs of slackening or yielding in one's purpose an implacable dedication to the proposition that everyone is entitled to a quality education Synonyms determined, dogged, grim, unyielding, relentless, 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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