Impostor syndrome often reflects self-worth tied too closely to performance.
Success does not always eliminate self-doubt when self-esteem depends on achievement.
Performance-based self-worth can make even capable people feel like impostors.
One of the most common barriers to stable self-esteem is impostor syndrome, the persistent feeling of not being good enough, despite clear evidence of competence.
Many people assume that success naturally leads to confidence, but that’s not always the case.
Understanding impostor syndrome is essential because it highlights how self-esteem can become tied to external achievements, rather than a stable, internal sense of self-worth, and why that pattern can be so difficult to break (Danilo, 2022).
While our previous post guided readers to the best self-esteem resources, here we explore the relationship between impostor syndrome and self-esteem.
Before you continue, we thought you might like to download our five positive psychology tools for free. These engaging, science-based exercises will help you effectively deal with difficult circumstances and give you the tools to improve the resilience of your clients, students, or employees.
Impostor syndrome is the experience of doubting your abilities and feeling like a fraud, even when there is clear evidence that you are capable. It’s a persistent internal narrative that tells you your success isn’t real or isn’t deserved, rather than occasional self-doubt (Lane, 2025).
People experiencing impostor syndrome often believe that their success is due to luck, timing, or external factors and that others have somehow been tricked into overestimating them. They also believe they are not as capable as others think and that they must constantly prove themselves to maintain credibility (Danilo, 2022).
What makes impostor syndrome particularly challenging is that these feelings often coexist with genuine achievement. A person might be performing well at work, receiving praise, or hitting important milestones and still feel like they’re one step away from being “found out” (Danilo, 2022).
This is why impostor syndrome and self-esteem can be so confusing. From the outside, everything looks fine or even impressive. Internally, though, there’s a disconnect between reality and perception. At its core, impostor syndrome is about how a person interprets their abilities. It consists of a mismatch between what they’ve achieved and what they believe about those achievements (Lane, 2025).
The Link Between Impostor Syndrome and Self-Esteem
Impostor syndrome gradually reshapes how self-esteem works.
Instead of having a steady, internal sense of self-worth, a person with impostor syndrome experiences a very fragile sense of self-esteem that depends on external circumstances.
With impostor syndrome, self-esteem fluctuates depending on how well things are going (Khandelwal & Gautam, 2025).
When self-esteem is influenced by impostor thinking, it often becomes conditional on success. A person with impostor syndrome feels good about themselves when things go well, but that confidence doesn’t last. It’s tied to outcomes rather than something stable within the person.
People with impostor syndrome are often easily shaken by mistakes. Even small setbacks can feel disproportionately significant. A minor error can suddenly confirm their worst fears about not being good enough.
Self-esteem is dependent on external feedback. Praise might give them a temporary boost, but it often doesn’t stick. People with impostor syndrome may dismiss positive feedback, question it, or feel like they must keep earning it (Lane, 2025).
The impostor cycle
This pattern tends to create a repeating impostor cycle. Based on achievement, there’s a temporary confidence boost, followed by doubt, overwork, and burnout. This cycle is repeated.
To compensate, people struggling with impostor syndrome push themselves harder by working for longer hours, overpreparing, or trying to avoid mistakes at all costs (Kolligian & Sternberg, 1991; Danilo, 2022).
Over time, this cycle can become exhausting. Instead of enjoying progress, people who struggle with the impostor cycle are constantly trying to keep up with rigid internal and external expectations.
Self-esteem is therefore highly dependent on others’ feedback and consistently favorable outcomes to everyday life events, making it unreliable and fragile (Khandelwal & Gautam, 2025).
At the heart of impostor syndrome is something psychologists often call contingent self-worth (Lane, 2025), an idea that your value depends on how well you perform. When our self-esteem is contingent, it’s not stable. It shifts depending on our most recent success or failure, how others respond to us, and how we compare themselves to those around us.
This can lead to constant comparisons that often focus on shortfalls rather than strengths. Fear of failure can become a driving force in life. Mistakes feel uncomfortable and threatening, as if they say something fundamental about our self-worth.
People struggling with feeling like an impostor often have difficulty accepting praise. Compliments may feel undeserved or temporary and are brushed off because they assume others don’t see the full picture (Danilo, 2022).
Internal vs. external self-worth
When self-esteem is externally driven, success becomes something we need to feel OK. However, when self-esteem is internally grounded, success becomes something we experience rather than something that defines our value. That distinction is subtle but powerful.
Having an internal locus of self-esteem means you can succeed without feeling like your self-worth depends on it and fail without feeling like your self-worth has reduced. It means you can accept praise without needing it to validate you.
Shifting from an external locus of self-evaluation to an internal one is one of the most important steps you can take to reduce impostor syndrome (Khandelwal & Gautam, 2025).
Breaking Impostor Syndrome by Improving Self-Esteem
Self-doubt is a normal part of growth, especially when you’re stretching yourself or trying something new. The goal is to change how much power that doubt has over you.
Reducing impostor syndrome begins by building a more stable foundation of self-esteem that does not depend on performance (Lane, 2025).
Practical ways to break the pattern
Breaking the impostor syndrome pattern can be done using structured self-esteem tools.
The exercises from our self-esteem resources article, such as challenging negative thoughts and identifying strengths, are directly relevant here. They can help you question the assumptions that fuel impostor thinking. Here are examples of practical ways to disrupt the cycle.
Challenge perfectionistic thinking
Impostor syndrome is often underpinned by an unspoken rule: “I have to get everything right.” Reflect on where you’re setting unrealistic standards and experiment with allowing “good enough” to be enough (Danilo, 2022).
Separate identity from performance
You are much more than your latest achievement. One useful mental shift is to reframe outcomes as things you do, not who you are. For example, “I made a mistake,” instead of, “I’m incompetent.” Or, “This didn’t go as planned,” instead of, “I’m not good enough” (Lane, 2025).
Practice self-compassion
This is about changing the tone of how you address yourself internally, rather than lowering your standards. One of the most effective ways to develop greater self-compassion is to reflect on how you would address a close friend in the same situation and try offering yourself the same understanding (Danilo, 2022).
Normalize the experience
Impostor syndrome is incredibly common among capable, high-achieving people. Recognizing that you are not alone can reduce the sense that something is uniquely wrong with you (Lane, 2025).
Additional resources
If you want more targeted support, we have resources that can help you explore and work through impostor syndrome patterns. First, take a look at this article for recommended books on impostor syndrome.
We also have a range of free impostor tests and worksheets to help you identify your specific patterns and give you structured ways to respond to them.
A Take-Home Message
Impostor syndrome tends to show up in people who care deeply about doing well and who are pushing themselves to grow. The real issue driving these patterns of behavior is their source of self-worth. When self-esteem is tied too tightly to achievement, it can become unstable.
While success brings temporary relief, it cannot build lasting confidence. Doubt quickly returns, and the cycle continues. By cultivating a more internal, stable sense of self-worth, you can create a different foundation for self-esteem in which your worth becomes indisputable.
From there, confidence builds, and self-esteem becomes more resilient and stable when something goes wrong.
It can be, but usually it reflects unstable or conditional self-esteem. A person with impostor syndrome may feel confident at times, but that confidence depends heavily on performance and external validation.
Why do successful people experience impostor syndrome?
Success alone is not sufficient for a stable sense of self-worth. If your self-esteem depends primarily on external achievements, even a strong performance won’t feel secure because we all inevitably make mistakes or fail. Without a stable internal foundation for self-worth, you may often worry that you don’t measure up, no matter how well you’re doing.
References
Danilo, A. (2022). The impostor syndrome workbook: Exercises to boost your confidence, own your success, and embrace your brilliance. Sourcebooks, Inc.
Khandelwal, K., & Gautam, S. K. (2025). The impact of resilience on self-esteem and impostor syndrome among young adults. International Journal of Interdisciplinary Approaches in Psychology, 3(5), 1225–1236.
Kolligian, J., Jr., & Sternberg, R. J. (1991). Perceived fraudulence in young adults: Is there an “impostor syndrome”?. Journal of Personality Assessment, 56(2), 308–326. https://doi.org/10.1207/s15327752jpa5602_10
Lane, P. (2025). The narrative therapy workbook for self-esteem: Rewrite your story, overcome impostor syndrome and feelings of inadequacy, and build lasting confidence. New Harbinger Publications.
About the author
Jo Nash, Ph.D., began her career in mental health nursing before working as a service user advocate and in mental health policy research. After gaining her Ph.D. in Psychotherapy Studies, Jo was a Lecturer in Mental Health at the University of Sheffield for over a decade. She has trained in two mindfulness-based interventions, ACT and MBCT. Jo currently coaches neurodivergent and highly sensitive adults where she applies positive psychology using a strengths-based, solution-focused approach.
One of the most common barriers to stable self-esteem is impostor syndrome, the persistent feeling of not being good enough, despite clear evidence of competence.
Impostor syndrome gradually reshapes how self-esteem works.
Self-doubt is a normal part of growth, especially when you’re stretching yourself or trying something new. The goal is to change how much power that doubt has over you.
