Definition of "fact" in English

noun

1. Something actual as opposed to invented.

   • establish the facts
   • hard facts
   • facts and figures
   • 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.
   • She presented the facts in a clear, logical way.

2. Something which is real.

   • Gravity is a fact, not a theory.

3. Something concrete used as a basis for further interpretation.

   • Let's look at the facts of the case before deciding.

4. An objective consensus on a fundamental reality that has been agreed upon by a substantial number of experts.

   • There is no doubting the fact that the Earth orbits the Sun.

5. Information about a particular subject, especially actual conditions and/or circumstances.

   • The facts about space travel.
   • Addition facts include 2 + 2 = 4 and 3 + 4 = 7.

6. (databases) An individual value or measurement at the lowest level of granularity in a data warehouse.

7. (archaic) Action; the realm of action.

8. (law, obsolete except in set phrases) A wrongful or criminal deed.

   • He had become an accessory after the fact.

9. (obsolete) A feat or meritorious deed.

interjection

1. Used before making a statement to introduce it as a trustworthy one.