# tenacity

/təˈnæsɪti/ (US) · /tɛnˈæsɪti/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/tenacity
Updated: 2026-05-08

## Definition

the quality of being very determined and not giving up, even when things are difficult. It is like having a strong grip on a goal.

For teachers: the quality of being persistent or determined; the ability to maintain a firm hold on a purpose or action despite obstacles. Often used to describe mental or emotional strength.

## Examples

- Her tenacity helped her finish the marathon despite the pain.
- The detective's tenacity eventually led to the discovery of new evidence that had been overlooked for years.
- While talent may open the initial door to opportunity, it is often sheer tenacity that determines whether an individual can sustain a career in such a competitive and volatile industry.

## Usage notes

- Uncountable in its abstract sense; frequently paired with the preposition 'of' or used as a subject for verbs like 'pay off'.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.