Define: Affidavit

UK Accounting Glossary

Definition: Affidavit

Quick Summary of Affidavit

A written statement confirmed by oath or affirmation, for use as evidence in court.

What is the dictionary definition of Affidavit?

Dictionary Definition

legal A signed document wherein an affiant makes a sworn statement.


Full Definition of Affidavit

An affidavit is a sworn written statement or declaration made voluntarily stating the facts under an oath or affirmation before an authorized official. Personal knowledge or information forms the basis of an affidavit. There is no age requirement for making an affidavit. However, a guardian may make an affidavit on behalf of a minor. An affidavit is often made in front of the following individuals: notaries, court clerks, county clerks, court commissioners and commissioners of deeds, among others. A judge can also take an affidavit, if allowed under state law. In the courtroom, an affidavit will often be accepted in place of sworn testimony. An affidavit differs from a deposition, where a witness can be called via a subpoena and then cross-examined. The term affidavit stems from Medieval Latin for he has declared upon oath.


Cite Term

To help you cite our definitions in your bibliography, here is the proper citation layout for the three major formatting styles, with all of the relevant information filled in.

Page URL
Modern Language Association (MLA):
Affidavit. Payroll & Accounting Heaven Ltd. February 18, 2020
Chicago Manual of Style (CMS):
Affidavit. Payroll & Accounting Heaven Ltd. (accessed: February 18, 2020).
American Psychological Association (APA):
Affidavit. Retrieved February 18, 2020, from website:

Definition Sources

Definitions for Affidavit are sourced/syndicated and enhanced from:

  • A Dictionary of Economics (Oxford Quick Reference)
  • Oxford Dictionary Of Accounting
  • Oxford Dictionary Of Business & Management

This glossary post was last updated: 4th February 2020.