Tester

/ˈtɛstər/

Meaning & Definition

noun

A person or device that tests something, especially for quality or functionality.

The software tester identified several bugs in the application before its release.

A tool or device used to test the performance or quality of an object or substance.

The engineer used a voltage tester to check the electrical circuits.

A person who evaluates products or services to provide feedback.

She was hired as a product tester to provide insights on the new cosmetics line.

The word 'tester' comes from the Middle French word 'tester' meaning 'to test or examine'.

test the waters

To try something out before a larger commitment.

put to the test

To examine or challenge something.

trial and error

A method of reaching a desired outcome through experimentation.

testing

The action of assessing something through trials.

quality assurance

Systematic measurement, comparison with a standard, and monitoring of processes.

A tester who works in software development.

That coder is just a tester, not a developer.

A sample or promotional item to evaluate a product.

I got a free tester of that new skincare line.