tenacious

tuh-NAY-shus /təˈneɪʃəs/
adjectiveC1GRESATCAT
neutralformal

Tending to keep a firm hold of something; clinging or adhering closely; persistent.

A very positive word for someone who doesn't give up on their goals or beliefs.

The story behind the word. From Latin 'tenax', meaning 'holding fast'. It's the same root that gives us 'tentacle'—think of an octopus that won't let go.

Word relationships

  • dogged: Dogged implies a slow, steady persistence; tenacious implies a strong, unbreakable grip.
  • irresolute: Irresolute means uncertain or hesitant; tenacious means firm and certain.

Commonly confused with

  • stubborn: Stubborn is often negative (refusing to change); tenacious is usually positive (refusing to quit).

Word family

  • tenacity (noun): The quality of being very determined.
  • tenaciously (adverb): In a very determined way.

Collocations

  • tenacious grip
  • tenacious memory
  • tenacious defender

Example sentences

  • "She was a tenacious advocate for the rights of the underprivileged, never backing down from a fight." Describing a person's character.

Memory hook

Tenacious = Ten-acious. Like ten people holding onto one rope. A grip like an octopus.

When not to use

Don't use it for things that are just 'long'; it must involve a 'grip' or 'will'.

Fun facts

  • The word 'tennis' actually comes from the same root; the server would shout 'Tenez!' (Hold/Receive!) in Old French.

Related words

persist, relentless

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