# for a fact

idiom

Source: https://englishreference.com/idiom/for-a-fact
Updated: 2026-08-10

## Meaning

Without doubt.

## Examples

- I know for a fact that she is coming.
- He told me for a fact that the store closes early on Sundays.
- Although the rumors were widespread, she knew for a fact that the project had been cancelled weeks ago.

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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.