THESAURUS
Tenacious
adamant, adherent, adhesive, amylaceous, assiduous, balking, balky, bigoted, bound, bound and determined, bulldogged, bulldoggish, bulldoggy, bulletheaded, bullheaded, cartilaginous, case-hardened, chewy, clabbered, clammy, clinging, clingy, clotted, coagulated, cohesive, committed, constant, continuing, coriaceous, curdled, decided, decisive, dedicated, definite, determined, devoted, diligent, dogged, dogmatic, doughy, durable, earnest, enduring, faithful, fanatic, fibrous, firm, fixed, game, gamy, gaumy, gelatinous, glairy, gluelike, gluey, glutenous, glutinose, glutinous, good, gooey, grasping, gripping, gristly, gritty, grumous, gumbo, gumbolike, gumlike, gummous, gummy, gutsy, gutty, hard, hardheaded, hardy, headstrong, heavy, holding, immovable, immutable, inalterable, indefatigable, indomitable, industrious, inflexible, insistent, inspissated, intolerant, intransigent, invincible, jelled, jellied, jellylike, keeping, lasting, leatherlike, leathery, loyal, maintaining, mettlesome, mucilaginous, mulish, nervy, never-tiring, obdurate, obstinate, opinionated, overzealous, pasty, patient, patient as Job, permanent, perseverant, persevering, persistent, persisting, pertinacious, pigheaded, plodding, plucky, plugging, preoccupied, purposeful, rapt, red-blooded, refractory, relentless, resistant, resolute, resolved, restive, retaining, retentive, rigid, ropy, secure, sedulous, self-adhesive, self-willed, serious, set, sincere, sinewy, single-minded, slabby, sleepless, slimy, slithery, slogging, spirited, spiritful, spunky, stable, stalwart, starchy, staunch, steadfast, steady, stickable, sticky, stiff, stiff-necked, stodgy, stout, stringy, strong, strong-minded, strong-willed, strongheaded, stubborn, sturdy, sulky, sullen, syrupy, tacky, thick, thickened, tight, tireless, tough, tough as leather, tremelloid, tremellose, true, unabating, uncompromising, unconquerable, uncooperative, undaunted, undiscouraged, undrooping, unfailing, unfaltering, unflagging, unflinching, unintermitting, uninterrupted, unnodding, unregenerate, unrelaxing, unrelenting, unremitting, unshakable, unshakeable, unshaken, unsleeping, unswerving, untiring, unwavering, unwearied, unwearying, unwinking, unyielding, utterly attentive, vigorous, viscid, viscose, viscous, weariless, wholehearted, willful, wiry
ROGET THESAURUS
Tenacious
Obstinacy
N
obstinacy, obstinateness, obstinacy, tenacity, cussedness, perseverance, immovability, old school, inflexibility, obduracy, obduration, dogged resolution, resolution, ruling passion, blind side, self-will, contumacy, perversity, pervicacy, pervicacity, indocility, bigotry, intolerance, dogmatism, opiniatry, opiniativeness, fixed idea, fanaticism, zealotry, infatuation, monomania, opinionatedness opinionativeness, mule, opinionist, opinionatist, opiniator, opinator, stickler, dogmatist, bigot, zealot, enthusiast, fanatic, obstinate, tenacious, stubborn, obdurate, casehardened, inflexible, balky, immovable, unshakable, not to be moved, inert, unchangeable, inexorable, mulish, obstinate as a mule, pig-headed, dogged, sullen, sulky, unmoved, uninfluenced unaffected, willful, self-willed, perverse, resty, restive, restiff, pervicacious, wayward, refractory, unruly, heady, headstrong, entete, contumacious, crossgrained, arbitrary, dogmatic, positive, bigoted, prejudiced, creed- bound, prepossessed, infatuated, stiff-backed, stiff necked, stiff hearted, hard-mouthed, hidebound, unyielding, impervious, impracticable, inpersuasible, unpersuadable, intractable, untractable, incorrigible, deaf to advice, impervious to reason, crotchety, obstinately, non possumus, no surrender, ils n'ont rien appris ne rien oublie.
Coherence
N
coherence, adherence, adhesion, adhesiveness, concretion accretion, conglutination, agglutination, agglomeration, aggregation, consolidation, set, cementation, sticking, soldering, connection, dependence, tenacity, toughness, stickiness, inseparability, inseparableness, bur, remora, conglomerate, concrete, cohesive, adhesive, adhering, cohering, tenacious, tough, sticky, united, unseparated, unsessile, inseparable, inextricable, infrangible, compact.
Retention
N
retention, retaining, keep, detention, custody, tenacity, firm hold, grasp, gripe, grip, iron grip, fangs, teeth, claws, talons, nail, unguis, hook, tentacle, tenaculum, bond, clutches, tongs, forceps, pincers, nippers, pliers, vice, paw, hand, finger, wrist, fist, neaf, neif, bird in hand, captive, retaining, retentive, tenacious, unforfeited, undeprived, undisposed, uncommunicated, incommunicable, inalienable, in mortmain, in strict settlement, uti possidetis.
Tenacity
N
tenacity, toughness, strength, (cohesion), grip, grasp, stickiness, (cohesion), sequacity, stubbornness (obstinacy), glue, cement, glutinousness, sequaciousness, viscidity, (semiliquidity), leather, white leather, whitleather, gristle, cartilage, unbreakability, tensile strength, tenacious, tough, strong, resisting, sequacious, stringy, gristly cartilaginous, leathery, coriaceous, tough as whitleather, stubborn, unbreakable, indivisible, atomic.