Pertinacious — Meaning, Definition & Synonyms

Pertinacious (adjective) — Senses, Synonyms & Antonyms

1. continuing despite difficulties, opposition, or discouragement

   "a pertinacious little boy who was determined to catch and collect reptiles"

   similar: dogged, insistent, patient, persevering, persistent, tenacious
   related: assured, certain, dedicated, determined, firm, hell-bent, intent, positive, resolute, resolved, single-minded, sure, adamant, bullheaded, hardened, hardheaded, headstrong, implacable, indurate, mulish, obdurate, obstinate, opinionated, peevish, perverse, pigheaded, self-willed, stiff-necked, stubborn, unregenerate, unyielding, willful, unfaltering, unhesitating, unwavering, resistant, wayward, wrongheaded, constant, devoted, faithful, good, loyal, staunch, steadfast, steady, true, indomitable, unconquerable, hard, inflexible, relentless, stern, unbending, unflinching, unrelenting
   near: quitting, surrendering, yielding, faltering, hesitant, hesitating, irresolute, vacillating, wavering, disloyal, faithless, false, fickle, inconstant, perfidious, traitorous, treacherous

2. sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion

   "a pertinacious salesman who would simply not take No! for an answer"

   similar: adamant, adamantine, bullheaded, dogged, hard, hard-nosed, hardened, hardheaded, headstrong, immovable, implacable, inconvincible, inflexible, intransigent, mulish, obdurate, obstinate, opinionated, ossified, pat, perverse, pigheaded, self-opinionated, self-willed, stiff-necked, stubborn, unbending, uncompromising, unrelenting, unyielding, willful, deaf to reason
   related: anal-retentive, obsessive, wayward, wrongheaded, determined, hell-bent, inexorable, persistent, relentless, resolved, set, single-minded, steadfast, stouthearted, tenacious, unflinching, firm, hard-line, hard-shell, 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, exacting
   opposite: acquiescent, agreeable, amenable, compliant, complying, flexible, pliable, pliant, relenting, yielding
   near: docile, obedient, placable, submissive, tractable, accepting, persuadable, receptive, responsive, willing, governable, manageable, reasonable, temperate, slavish, subservient