tenacious (adjective) tenacious: strong, unyielding
Sinonime: adamant,
bound, clinging,
coherent, cohesive,
determined, dogged,
fast,
firm,
forceful,
inflexible,
intransigent, iron, meaning business, mulish,
obdurate,
obstinate,
persevering,
persistent, persisting,
pertinacious, possessive,
purposeful,
relentless,
resolute, retentive,
set,
solid,
spunky,
stalwart,
staunch,
steadfast,
stout, strong-willed,
stubborn,
sturdy,
sure,
tight,
tough,
true, unforgetful, unshakable, unswerving
Antonime: surrendering,
weak,
yielding