English Reference
Idiom idiom

for a fact


Without doubt.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

I know for a fact that she is coming.

CONTEXTUAL

He told me for a fact that the store closes early on Sundays.

COMPLEX

Although the rumors were widespread, she knew for a fact that the project had been cancelled weeks ago.


Related idioms7entries
  1. 01

    brass Tacks

    [Cockney slang]facts

  2. 02

    fact is

    actually, in truth

  3. 03

    fact of life

    Something that cannot be avoided; a stark reality of existence.

  4. 04

    facts on the ground

    The situation in reality as opposed to in the abstract.

  5. 05

    French fact

    The presence of French Canada as a distinct cultural, linguistic, and political force within the Canadian Confederation.

  6. 06

    put facts on the ground

    To quietly or incrementally change the de facto situation in one's favor in order to win a legal dispute.

  7. 07

    them's the facts

    Those are the facts, that's the truth, that's how it is.

Last updated August 10, 2026