Defect: A flaw where the software doesn’t meet its requirements. Many teams use "defect" and "bug" to mean the same thing; some use "defect" for formally logged issues.

Example

The requirement says passwords need at least 8 characters, but the system accepts 5, so you log a defect.

Why Defect matters for IT interns

Knowing both words helps you follow your team’s bug-tracking language.

Where you will hear it

You will hear this term in testing and quality discussions, from test planning to bug reports. If someone uses it and you are not sure what they mean in your project, it is completely fine to ask; every team uses terms a little differently.

Related terms

  • Automation Testing: Using code and tools to run tests automatically instead of by hand.
  • Bug: A problem where the software doesn’t behave the way it is supposed to.
  • Functional Testing: Testing that each feature does what the requirements say it should.
  • Manual Testing: Testing software by hand — using it like a real user and checking the results — without automation scripts.
  • Priority (in bug tracking): How soon a bug should be fixed, based on business needs.
  • QA (Quality Assurance): The work of making sure software meets the expected quality, through testing, reviews and improving how the…

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Related guides

Frequently asked questions

What is Defect?

A flaw where the software doesn’t meet its requirements. Many teams use "defect" and "bug" to mean the same thing; some use "defect" for formally logged issues.

What is an example of Defect?

The requirement says passwords need at least 8 characters, but the system accepts 5, so you log a defect.

Why does Defect matter for IT interns?

Knowing both words helps you follow your team’s bug-tracking language.

Explore more internship terms

The IT Internship Glossary explains 199 terms you will hear before and during your internship, with simple definitions and real examples.

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Dhaivat Ajwaliya

About the author

Dhaivat Ajwaliya

Dhaivat has 16+ years of experience in the IT industry, working on AI and cloud technologies, project delivery, and engineering leadership. He has interviewed and mentored many interns, wrote The Lost Intern, and runs the non-commercial Career Impact Initiative, mentoring students for free.