adjective \tə-ˈnā-shəs\

: not easily stopped or pulled apart : firm or strong

: continuing for a long time

: very determined to do something

Full Definition of TENACIOUS

a :  not easily pulled apart :  cohesive <a tenacious metal>
b :  tending to adhere or cling especially to another substance <tenacious burs>
a :  persistent in maintaining, adhering to, or seeking something valued or desired <a tenacious advocate of civil rights> <tenacious negotiators>
b :  retentive <a tenacious memory>
te·na·ci·ous·ly adverb
te·na·cious·ness noun

Examples of TENACIOUS

  1. The company has a tenacious hold on the market.
  2. <a tenacious trainer, she adheres to her grueling swimming schedule no matter what>
  3. But raw capitalism has also proved tenacious, evolving its own means of endlessly restimulating consumption … —Nicholas Fraser, Harper's, November 2003


Latin tenac-, tenax tending to hold fast, from tenēre to hold
First Known Use: 1607


adjective \tə-ˈnā-shəs\   (Medical Dictionary)

Medical Definition of TENACIOUS

: tending to adhere or cling especially to another substance : viscous <coughed up 150 cc. of thick tenacious sputum—Journal of the American Medical Association>


Next Word in the Dictionary: tenacity
Previous Word in the Dictionary: tenace
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