The meaning of FACT is something that actually exists or occurs : an actual event, situation, etc. —often used in the phrase the fact that.

FACT definition: 1. something that is known to have happened or to exist, especially something for which proof…. Learn more.

FACT definition: that which actually exists or is the case; reality or truth. See examples of fact used in a sentence.

Definition of fact noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

When you refer to something as a fact or as fact, you mean that you think it is true or correct. ...a statement of verifiable historical fact.

fact (fækt) n. 1. something that actually exists: Your fears have no basis in fact. 2. something known to exist or to have happened. 3. a truth known by actual experience or observation; something known to …

The definition of a scientific fact is different from the definition of fact, as it implies knowledge. A scientific fact is the result of a repeatable careful observation or measurement by experimentation or other …

There are 19 meanings listed in OED's entry for the word fact, four of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

fact (fakt), n. something that actually exists; reality; truth: Your fears have no basis in fact. something known to exist or to have happened: Space travel is now a fact. a truth known by actual experience …

Feb 10, 2026 · fact (countable and uncountable, plural facts) In this story, the Gettysburg Address is a fact, but the rest is fiction. The report is based on verified facts. Let’s stick to the facts, not opinions. …