SoftwareTestPilot

Chapter 4 – Test Techniques

Ad-hoc Testing – ISTQB Definition

Last Updated: July 12, 2026 · SoftwareTestPilot QA Team

Official ISTQB Definition

Informal testing performed without planning, documentation, or defined technique, relying on tester intuition.

In simple words

Poking around the app with no plan, just intuition.

Exam tip

Ad-hoc is unstructured; exploratory is structured with charters and notes.

Related terms

Exploratory TestingYou learn the product while testing it, using your experience to decide what to try next instead of following a pre-written script.
Error GuessingDesign tests based on where you (or history) know bugs usually hide — nulls, empty strings, zero, negatives, huge inputs.

Practice this term in the ISTQB Mock Test

40 CTFL v4.0 questions, 60-minute timer, instant scoring and chapter-wise breakdown.

Practice in Mock Test