THESAURUS
Invincible
assiduous, beyond compare, beyond comparison, calculable, constant, continuing, deathless, dependable, diligent, dogged, easily first, enduring, facile princeps, faithful, faithworthy, fast, firm, immortal, immutable, impassable, impenetrable, imperishable, impregnable, inalterable, incomparable, incontestable, incorruptible, indefatigable, indelible, indestructible, indomitable, industrious, ineffaceable, ineradicable, inexpugnable, inextinguishable, inimitable, insistent, insuperable, insurmountable, inviolable, invulnerable, irresistible, lasting, loyal, matchless, never-tiring, nonperishable, nulli secundus, obstinate, overpowering, overwhelming, patient, patient as Job, peerless, permanent, perseverant, persevering, persistent, persisting, pertinacious, plodding, plugging, predictable, preoccupied, quenchless, rapt, relentless, reliable, resistless, resolute, second to none, secure, sedulous, single-minded, sleepless, slogging, solid, sound, stable, staunch, steadfast, steady, stubborn, substantial, sui generis, sure, surefire, tenacious, tireless, trustworthy, trusty, unabating, unapproachable, unapproached, unassailable, unattackable, unbeatable, unconquerable, undampable, undaunted, undefeatable, undefeated, undestroyable, undiscouraged, undrooping, undying, unequaled, unexampled, unexcelled, unfailing, unfaltering, unflagging, unflinching, unintermitting, uninterrupted, unique, unmatchable, unmatched, unnodding, unparagoned, unparalleled, unpeered, unquenchable, unrelaxing, unrelenting, unremitting, unrivaled, unsleeping, unstoppable, unsubduable, unsurmountable, unsurpassable, unsurpassed, unswerving, untiring, untouchable, unwavering, unwearied, unwearying, unwinking, unyielding, utterly attentive, weariless, well-founded, well-grounded, without equal, without parallel
ROGET THESAURUS
Invincible
Strength
N
strength, power, energy, vigor, force, main force, physical force, brute force, spring, elasticity, tone, tension, tonicity, stoutness, lustihood, stamina, nerve, muscle, sinew, thews and sinews, physique, pith, pithiness, virtility, vitality, athletics, athleticism, gymnastics, feats of strength, adamant, steel, iron, oak, heart of oak, iron grip, grit, bone, athlete, gymnast, acrobat, superman, Atlas, Hercules, Antaeus, Samson, Cyclops, Goliath, tower of strength, giant refreshed, strengthening, invigoration, refreshment, refocillation, dynamics, statics, strong, mighty, vigorous, forcible, hard, adamantine, stout, robust, sturdy, hardy, powerful, potent, puissant, valid, resistless, irresistible, invincible, proof against, impregnable, unconquerable, indomitable, dominating, inextinguishable, unquenchable, incontestable, more than a match for, overpowering, overwhelming, all powerful, all sufficient, sovereign, able-bodied, athletic, Herculean, Cyclopean, Atlantean, muscular, brawny, wiry, well-knit, broad-shouldered, sinewy, strapping, stalwart, gigantic, manly, man-like, manful, masculine, male, virile, unweakened, unallayed, unwithered, unshaken, unworn, unexhausted, in full force, in full swing, in the plenitude of power, stubborn, thick-ribbed, made of iron, deep-rooted, strong as a lion, strong as a horse, strong as an ox, strong as brandy, sound as a roach, in fine feather, in high feather, built like a brick shithouse, like a giant refreshed, strongly, by force, by main force, our withers are unwrung, Blut und Eisen, coelitus mihi vires, du fort au diable, en habiles gens, ex vi termini, flecti non frangi, he that wrestles with us strengthens our nerves an, inflexible in faith invincible in arms.