Why interviewers ask this
This question tests genuine self-awareness and how you handle setbacks, since everyone experiences failure and refusing to name a real one, or choosing a fake, humble-brag "failure," signals either poor self-reflection or a lack of trust in the interviewer. The specific failure matters far less than what you honestly learned and changed afterward.
How to choose the right example
Choose a genuine failure with real, honest consequences, not a disguised strength (such as "I worked too hard") or something so minor it demonstrates nothing meaningful. Ideally choose an example where the lesson learned is clearly relevant to how you would operate in the role you are interviewing for.
How to structure your answer
Briefly and honestly describe the situation and what went wrong, take clear ownership of your role in it without excessive self-blame or excuse-making, and spend the most time on what you concretely changed afterward as a result. Ending on genuine growth, not just an apology, is what makes this answer land well.
Frequently asked questions
Before your next interview, it helps to have the fundamentals down. Our complete guide to preparing for a job interview covers the basics, and the STAR method is a reliable way to structure almost any answer under pressure.