# tenfold

/ˈtɛnˌfoʊɫd/ (US) · /tˈɛnfəʊld/ (UK) · CEFR B2 · Adjective

Source: https://englishreference.com/word/tenfold
Updated: 2026-05-25

## Definition

ten times as much or as many as before. You use it to describe a very large increase in size, amount, or number.

For teachers: ten times as great in number, size, or degree. Often used to describe a significant increase in scale or intensity.

## Examples

- The company's profits increased tenfold last year.
- After the new marketing campaign launched, the website traffic grew tenfold within the first month.
- The researcher noted that the chemical reaction was tenfold more efficient when the temperature was raised by just a few degrees, suggesting a significant catalyst effect.

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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.