Advanced – Non-Functional Testing
Graceful Degradation – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
The ability of a system to continue operating with reduced functionality when parts fail.
In simple words
The system keeps working, just with fewer features, when something breaks.
Exam tip
Test graceful degradation by disabling non-critical dependencies and verifying core flows still work.
Related terms
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