Definition for Pertinacious:

• Pertinaciousness.

Synonyms for Pertinacious:

• adj.

  •bullheaded (adjective)
  • unshakable.
  •difficult (adjective)
  • intractable.
  •doctrinaire (adjective)
  • doctrinaire.
  •obstinate (adjective)
  • rigid,
  • bovine,
  • hard-nosed,
  • inelastic,
  • bigoted,
  • Pig-headed,
  • brass-bound,
  • uncompromising,
  • hidebound,
  • hardheaded,
  • contrary.

• n.

  •
  • dedicated,
  • sedulous.
  •
  • perverse.

• Other synonyms:

  •
  • patient,
  • stiff-necked.
  •Other relevant words:
  • unabating,
  • unshaken,
  • constant,
  • decided,
  • unremitting,
  • Hustling,
  • dark,
  • invincible,
  • crying,
  • nervy,
  • resolved,
  • purposive,
  • unflagging,
  • plodding,
  • case-hardened,
  • dynamic,
  • immutable,
  • unwavering,
  • loud,
  • Begging,
  • exorbitant,
  • enduring,
  • devoted,
  • industrious,
  • deaf,
  • long,
  • self-opinionated,
  • permanent,
  • extortionate,
  • intense,
  • preoccupied,
  • strenuous,
  • froward,
  • planned,
  • affirmed,
  • plucky,
  • sticking together,
  • irreversible,
  • granitic,
  • staunch,
  • against the grain,
  • intolerant,
  • sullen,
  • sure,
  • Plugging,
  • unfaltering,
  • unchangeable,
  • inalterable,
  • faithful,
  • overzealous,
  • rapt,
  • energetic,
  • grasping,
  • undeviating,
  • spirited,
  • unshakeable,
  • tireless,
  • settled,
  • Spiritful,
  • fixed,
  • loyal,
  • moody,
  • clamorous,
  • fanatical,
  • persisting,
  • stony,
  • continuing,
  • confirmed,
  • unsleeping,
  • draining,
  • demanding,
  • unchanging,
  • bold,
  • pressing,
  • opinionated,
  • unswerving,
  • Unrelaxing,
  • rebellious,
  • fanatic,
  • Unintermitting,
  • stable,
  • glum,
  • sincere,
  • Undrooping,
  • exacting,
  • definite,
  • restive,
  • hard-working,
  • bulldog,
  • positive,
  • intended,
  • solicitous,
  • unwearied,
  • dogmatic,
  • conscientious,
  • sulky,
  • uncooperative,
  • taxing,
  • unregenerate,
  • unhesitating,
  • unfailing,
  • intentional,
  • unalterable,
  • enthusiastic,
  • refractory,
  • hardworking,
  • active,
  • contumacious,
  • sleepless,
  • indefatigable,
  • slogging,
  • saturnine,
  • gamy,
  • Gutty,
  • spunky,
  • red-blooded,
  • exigent,
  • uninterrupted,
  • clamant,
  • eager,
  • Weariless,
  • morose,
  • unhesitant,
  • wayward,
  • stalwart,
  • lasting,
  • glowering,
  • certain,
  • inexorable,
  • coherent,
  • undiscouraged,
  • zealous,
  • steadfast,
  • hard,
  • changeless,
  • unmoving,
  • pat,
  • grim,
  • vigorous,
  • instant,
  • assiduous,
  • attentive,
  • steady,
  • Inconvincible,
  • balky,
  • recollective,
  • deliberate,
  • lively,
  • vital,
  • game,
  • forbidding,
  • sour,
  • gamey,
  • unflinching,
  • never-tiring,
  • mettlesome,
  • balking,
  • unconquerable.

Antonyms for Pertinacious:

• adj.

  • resolute
    tentative.
  • Other antonyms:
    submissive, hesitating, dutiful, fickle, placable, wavering, pliable, faithless, acquiescent, responsive, subservient, governable, temperate, undecided, willing, hesitant, manageable, slavish, flexible, amenable, pliant, faltering, gentle, complaisant, disloyal, complying, receptive, obedient, treacherous, vacillating, false, perfidious, reasonable, inconstant, accepting, irresolute, persuadable, yielding, agreeable, tractable, traitorous, teachable, compliant.

• Other antonyms:

  • n.
    regenerate.