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To save this word, you'll need to log in. For all of its nearly years, "tenacious" has adhered closely to its Latin antecedent: tenax, an adjective meaning "tending to hold fast. Sticker burrs are tenacious, and so are athletes who don't let defeat get them down. We use "tenacious" of a good memory, too - one that has a better than average capacity to hold information. But you can also have too much of a good thing.
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Join our early testers! See how your sentence looks with different synonyms. Synonyms for tenacious cohesive determined dogged forceful persistent relentless resolute spunky staunch steadfast stout strong-willed stubborn tough unswerving retentive adamant bound clinging coherent fast firm inflexible intransigent iron meaning business mulish obdurate obstinate persevering persisting pertinacious possessive purposeful set solid stalwart sturdy sure tight true unforgetful unshakable TRY tenacious IN A SENTENCE BELOW. My mother's imagination was as vivacious, but not as tenacious as my own. She seldom showed any anger; but when she did it was tenacious, and slow to be appeased.
For half a century, Ferencz, a tenacious year-old, has been on his own Lemkin-esque campaign. But tenacious Albanian partisans kept reinserting the claim. Ware, a tenacious pass-rusher, is a 7-time Pro Bowler and the Cowboys all-time leader in sacks, with in nine seasons. Attention all you Darwinists still battling the tenacious Creationists and losing miserably! The wolf was a tenacious fellow, and he struggled desperately to rise. Viscous and tenacious substances are also obtained from some vegetable matters and are called "glue.