tester
Tester (noun) means a person whose job is to check that a product or system works correctly. Example: “She works as a software tester, hunting for bugs before release.”
How to use tester
Learner’s notesIn plain EnglishMost commonly, someone or something that checks whether a product works — or a free sample to try before buying.
Word forms
- Plural
- testers
Fill the gap
Can you complete this real example?
She works as a software _____, hunting for bugs before release.
Etymology
From Old French testre, "a canopy", ultimately from Latin testura. The modern sense of "someone who tests things" is simply "test" plus the agent suffix "-er".