Tester: meaning, definitions and examples

This is generally used for someone who tests products, software, or services to ensure they work as expected.

• The software tester found several bugs in the system.
• Our team hired a new tester for the latest product release.

This term is often used in formal or professional contexts where someone is assessing the value, quality, or performance of something, such as in education or business.

• The evaluator gave high marks to the new employee training program.
• An independent evaluator was hired to assess the project's success.

This term is used for someone who examines things closely and ensures they meet standards, often in regulatory or oversight roles.

• A safety inspector is coming to check the factory tomorrow.
• The health inspector shut down the restaurant for multiple violations.

This word is suited for scientific, research, or experimental settings. It implies conducting controlled tests or trials to gather data and results.

• The experimenter carefully recorded the reaction times of the subjects.
• As a psychology experimenter, she studies human behavior under different conditions.

This also refers to someone who tries out a new product to provide feedback, but in a more general sense than the first 'tester'.

• John was a tester for the new video game and gave a lot of helpful feedback

This word is used for a person who inspects and evaluates things in detail, often in an academic or professional setting.

• The examiner reviewed the students' essays to ensure they met the required standards

This term refers to someone who participates in trials or experiments, often for the first time, such as in sports or medical research.

• The trialist took part in the clinical trial to help test the new drug

This term is used when referring to someone who evaluates or appraises the quality, importance, or value of something, such as a property, skill, or project.

• The property assessor valued the house at $300,000

Appropriate in general contexts where a person or a device evaluates the quality, performance, or condition of something.

• The software tester found several bugs in the new application.
• She worked as a product tester for a tech company.

Specific to contexts involving tasting food or drink to evaluate flavor, quality, or safety.

• The professional taster evaluated the new coffee blend.
• She got a job as a chocolate taster at a luxury confectionery.

Commonly used when referring to someone who takes a small part or sample of something for analysis. Often used in contexts like food, music, or scientific research.

• The wine sampler tried various vintages to recommend the best ones.
• The laboratory technician acted as a sampler, collecting blood specimens for testing.

Typically used in a context where someone forms an opinion or makes a decision about something or someone. It can have a negative connotation, implying someone who is overly critical.

• He was known as a harsh judger of people's character.
• Don't be a judger before knowing all the facts.