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adjective

tenacious

/təˈneɪʃəs/  ·  say it: tuh·NAY·shus

holding firmly to a purpose; persistent

In Sophisticated Everyday

persistent and determined

In Personality & Character

In more detail

1. (adjective) holding firmly to something; not letting go easily

2. (adjective) determined and persistent in doing something; not giving up

Examples

How to use tenacious

Tenacious describes both physical grip and metaphorical persistence, carrying a positive connotation of admirable strength and resolve. It is more formal and emphatic than persistent, suggesting not just continuity but an almost stubborn refusal to let go or give up. Use it when you want to praise someone's unwavering commitment or describe something that clings firmly.

Register: formal

Common phrases

Synonyms

persistent · determined · stubborn · resolute · unwavering

Opposites

yielding · irresolute · weak-willed

Word family

tenaciously (adverb) · tenacity (noun)

A common mistake

Learners sometimes use tenacious to mean simply 'sticky' or 'adhesive' in a purely physical sense without the element of determined effort or resistance, though the word does encompass literal gripping.

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