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tenacious
/təˈneɪʃəs/
persistent and determined
Despite facing numerous rejections, the tenacious entrepreneur kept refining her business plan until she secured funding.
The entrepreneur demonstrated unwavering persistence by continuing to improve her business plan despite many rejections, ultimately achieving success.
formal
holding firmly to something, such as a belief, goal, or course of action; persistent and unyielding
The tenacious lawyer fought tirelessly for justice, never giving up on her client's case.
The lawyer's persistent efforts ensured she pursued the case relentlessly, refusing to abandon it.
Tenacious in her pursuit of excellence, she spent years mastering the violin.
Her unyielding dedication to improving her skills led her to spend years perfecting her violin playing.
Often used to describe someone who refuses to abandon a goal despite difficulties or opposition. Can imply both positive determination and negative stubbornness depending on context.
Engineering
technical
adhering closely to something; clinging or sticking firmly
The tenacious adhesive held the materials together under extreme stress.
The adhesive's strong bonding properties ensured the materials remained firmly attached even under high pressure.
In technical contexts, refers to physical adherence or grip, such as with adhesives or materials.
Collocations
tenacious fightera person who never gives up despite challengestenacious gripa firm hold that is difficult to releasetenacious spiritunwavering determination or resilience
Pro Tip
Avoiding redundancy
Combine 'tenacious' with nouns that emphasize struggle or effort (e.g., 'tenacious effort,' 'tenacious pursuit') to avoid vague usage. Avoid pairing it with overly abstract nouns like 'idea' unless specifying persistence in holding onto it.
Gold Rule
Context matters
Use 'tenacious' to describe someone who persists despite obstacles or someone/something that adheres firmly. Avoid using it for temporary efforts or minor challenges.
Word Origin
From Latin *tenax*, *tenac-* meaning 'holding fast' (from *tenere* 'to hold'), via Old French *tenace* (14th century) into Middle English as *tenacious*. The sense of persistence emerged in the 17th century.
Usage Notes
While 'tenacious' often carries a positive connotation of persistence, it can imply stubbornness or inflexibility when used critically. Avoid overusing it in place of simpler words like 'determined' unless emphasizing strong adherence to a goal.
Word Breakdown
tenac-
holding fast (from Latin *tenere* 'to hold')
root-ious
having the quality of
suffixEnglish Dictionary