te·na·cious 
/təˈneɪʃəs/ adjective
/təˈneɪʃəs/ adjective [more tenacious; most tenacious] 1 a : not easily stopped or pulled apart : firm or strong
▪ The company has a tenacious hold on the market. ▪ a tenacious grip
b : continuing for a long time
▪ tenacious myths/traditions ▪ a tenacious effort/battle 2 : very determined to do something
▪ He is a tenacious [=persistent] negotiator/competitor. ▪ She is quite tenacious.
▪ The company has a tenacious hold on the market. ▪ a tenacious grip
b : continuing for a long time
▪ tenacious myths/traditions ▪ a tenacious effort/battle
▪ He is a tenacious [=persistent] negotiator/competitor. ▪ She is quite tenacious.
— te·na·cious·ly adverb
▪ She clung tenaciously to her beliefs. ▪ He fought tenaciously.
▪ She clung tenaciously to her beliefs. ▪ He fought tenaciously.
— te·nac·i·ty /təˈnæsəti/ noun [noncount]
▪ I am impressed by their tenacity. ▪ She fought with great tenacity.
/təˈnæsəti/ noun [noncount] ▪ I am impressed by their tenacity. ▪ She fought with great tenacity.
