Define: Reliability

UK Accounting Glossary

Definition: Reliability

Quick Summary of Reliability

Qualitative characteristic of being free from material error and bias, representing faithfully.

What is the dictionary definition of Reliability?

Dictionary Definition

  1. The quality of being reliable, dependable, or trustworthy.
  2. In education – the ability to measure the same thing consistently (of a measurement indicating the degree to which the measure is consistent); that is, repeated measurements would give the same result (See also validity).
  3. In engineering – the measurable time of work before failure


Full Definition of Reliability


Reliability FAQ's

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):
Reliability. Payroll & Accounting Heaven Ltd. September 20, 2019
Chicago Manual of Style (CMS):
Reliability. Payroll & Accounting Heaven Ltd. (accessed: September 20, 2019).
American Psychological Association (APA):
Reliability. Retrieved September 20, 2019, from website:

Definition Sources

Definitions for Reliability are sourced/syndicated from:

This glossary post was last updated: 23rd December 2018.