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Tenacity vs Pertinacious - What's the difference?

tenacity | pertinacious |

As a noun tenacity

is the quality or state of being tenacious; as, tenacity, or retentiveness, of memory; tenacity, or persistency, of purpose.

As an adjective pertinacious is

holding tenaciously to an opinion or purpose.

tenacity

English

Noun

(tenacities)
  • The quality or state of being tenacious; as, tenacity, or retentiveness, of memory; tenacity, or persistency, of purpose.
  • * 2009 , , PHD Comics: Softball: younger and faster
  • — Our opponents may be younger, faster and less out of shape than we are, but we have something they’ll never have!
    — Tenure?
    Tenacity!
  • The quality of bodies which keeps them from parting without considerable force; cohesiveness; the effect of attraction; – as distinguished from brittleness, fragility, mobility, etc.
  • The quality of bodies which makes them adhere to other bodies; adhesiveness; viscosity.
  • The greatest longitudinal stress a substance can bear without tearing asunder, – usually expressed with reference to a unit area of the cross section of the substance, as the number of pounds per square inch, or kilograms per square centimeter, necessary to produce rupture.
  • Synonyms

    * (state of being tenacious) retentiveness, persistency * (quality keeping bodies together) cohesiveness * (quality making bodies adhere) adhesiveness, viscosity

    Antonyms

    * (quality keeping bodies together) brittleness, fragility, mobility

    pertinacious

    English

    Adjective

    (en adjective)
  • Holding tenaciously to an opinion or purpose.
  • * 1884', , "The Path of Duty" in ''The English Illustrated Magazine'' ' 2 (15): 240–256.
  • *:He would really have to make up his mind to care for his wife or not to care for her. What would Lady Vandeleur say to one alternative, and what would little Joscelind say to the other? That is what it was to have a pertinacious father and to be an accommodating son.
  • Stubbornly resolute or tenacious.
  • Synonyms

    * See also