“Gaslighting” has become one of the most searched psychological terms in the country — so widely searched, in fact, that it was recently named the most-looked-up definition on Google so far this year, ahead of words like empathy, narcissist, and anxiety. That popularity isn’t just a linguistic trend. It reflects something real: a lot of people are living inside relationships, families, and workplaces where their perception of events keeps getting quietly overwritten, and they finally have a word for it.
But “gaslighting” has also become one of the most overused and misunderstood words in pop psychology — thrown at ordinary disagreements, thrown at people who are simply defending themselves, thrown around so loosely that it risks losing its clinical meaning entirely. So it’s worth slowing down and asking: what actually is gaslighting, how does it differ from a normal difference of memory or opinion, and what does the research say about its psychological toll?
What Gaslighting Actually Is
The term originates from the 1938 play Gas Light (and its 1944 film adaptation), in which a husband manipulates his wife into believing she is losing her mind — dimming the gas-powered lights in their home and then denying anything has changed when she notices. The word has since entered clinical and everyday language to describe a pattern of psychological manipulation in which one person causes another to doubt their own perceptions, memories, or sanity, typically over an extended period of time.
Sociologist Paige Sweet’s influential research reframes gaslighting not simply as a set of individual manipulative tactics, but as a relational and social process — one that depends on an imbalance of power and trust, and that tends to intensify in relationships where one partner has significant emotional, financial, or social leverage over the other. This matters clinically, because it means gaslighting rarely looks like a single dramatic lie. It usually looks like a slow accumulation of small denials, reframes, and dismissals that add up to something much larger than any one moment.
Gaslighting can show up in romantic relationships, families, friendships, and workplaces. It can also appear in relationships with people who aren’t intentionally malicious — some gaslighting is a defensive pattern rooted in the other person’s own anxiety, shame, or fragile sense of self, rather than a calculated strategy. Understanding why it’s happening doesn’t make it acceptable, but it can shape how someone responds and what kind of support actually helps.
Common Signs You May Be Experiencing Gaslighting
– You frequently find yourself apologizing, even when you’re not sure what you did wrong
– You second-guess your own memory of conversations, especially after being told “that’s not what happened”
– You feel confused, foggy, or unable to trust your own judgment after interactions with a specific person
– You’ve stopped mentioning certain things because you know they’ll be denied, minimized, or turned back on you
– You find yourself explaining or defending your own feelings before you’ve even finished having them
– Friends or family have expressed concern about how you seem, or how a particular relationship seems to affect you
– You feel a strong urge to keep records, texts, or notes “just in case,” to prove to yourself that something really happened
None of these signs, on their own, confirms gaslighting — everyone misremembers things sometimes, and healthy relationships involve honest disagreement. What distinguishes gaslighting is the pattern: a repeated, one-directional erosion of your confidence in your own perception, usually paired with the other person’s refusal to acknowledge any responsibility for how you’re feeling.
A Depth Psychology Perspective: Reality-Testing and the Self
From a psychodynamic and Jungian lens, gaslighting is particularly damaging because it targets something foundational: the ego’s capacity for reality-testing — the basic psychological function that allows a person to distinguish inner experience from outer fact, and to trust that their perceptions are broadly reliable. When that function is repeatedly challenged by someone with power or emotional significance in a person’s life, the self doesn’t just feel confused in the moment. Over time, it can produce a more diffuse erosion of self-trust that follows a person into unrelated areas of life — decision-making at work, parenting choices, even simple everyday judgments.
Jung wrote about the ways the psyche can be colonized by another person’s projections, particularly within intimate or dependent relationships, when one person’s unacknowledged shadow material gets displaced onto someone else. In gaslighting dynamics, the gaslighter often unconsciously (or consciously) shifts responsibility for their own behavior onto the other person’s “overreaction,” “sensitivity,” or “misremembering” — a projection that, absorbed repeatedly, can become internalized as a kind of chronic self-doubt.
Nancy McWilliams’ work on personality structure is also clinically relevant here: gaslighting frequently occurs in relationships with individuals who organize around narcissistic or antisocial defenses, where maintaining a particular self-image requires that someone else absorb the blame.
The therapeutic task, then, isn’t just to help someone “identify the gaslighting.” It’s to help rebuild the underlying capacity for reality-testing and self-trust that the pattern has worn down — often alongside grief for the relationship or version of a person they believed they had.
How Therapy Helps
Therapy for gaslighting and its aftermath typically involves several overlapping threads:
Restoring reality-testing. This often starts simply — naming what actually happened, without minimizing or catastrophizing, so a person can begin to trust their own account of events again.
Addressing the anxiety that remains. Chronic self-doubt and hypervigilance can develop into a more generalized anxiety that persists even after the relationship ends or improves. Anxiety therapy in Pittsburgh can address both the cognitive and somatic dimensions of that residual anxiety.
Processing anger and grief. It’s common to move through real anger — at the other person, and sometimes at oneself for “not seeing it sooner” — alongside grief for lost time or trust. Left unaddressed, that anger can settle into a more chronic irritability or resentment; our therapy focused on anger discusses this pattern in more depth.
Couples work, when appropriate. Not every gaslighting dynamic is intentional or fixed — some couples can do meaningful repair work together, particularly when the pattern stems from anxious defensiveness rather than a fixed personality style. In other cases, individual work is the more appropriate first step.
When to Seek Support
If you’ve read this and recognized your own experience, that recognition is itself meaningful — it’s often the first crack in a pattern that depends on confusion to sustain itself. You don’t need a clear diagnosis or a dramatic story to justify getting support. If a relationship has left you doubting your own mind, that’s reason enough to talk with someone.
If you are in a relationship that involves fear for your physical safety, the National Domestic Violence Hotline (1-800-799-7233) offers confidential support and can help you think through next steps, separate from ongoing therapy.
Frequently Asked Questions
Is gaslighting always intentional?
Not always. Some people gaslight deliberately as a form of control. Others do it defensively, out of their own anxiety or inability to tolerate blame, without fully recognizing the impact on the other person. Both patterns are harmful and both are worth addressing, but they may call for different approaches in therapy.
Can gaslighting happen in families or friendships, not just romantic relationships?
Yes. Gaslighting dynamics show up in parent-child relationships, sibling relationships, friendships, and workplaces. The common thread is a power differential and a repeated pattern of having your perception overridden.
How is gaslighting different from a normal disagreement about what happened?
Healthy disagreement involves two people holding their own perspectives while remaining open to the other’s. Gaslighting involves a consistent, one-sided insistence that your perception is wrong, illegitimate, or evidence of instability — often paired with denial that the behavior in question ever occurred.
Do you offer therapy for this both in-person and online?
Yes. We provide in-person therapy in Carnegie, PA (serving greater Pittsburgh and the South Hills) as well as secure online therapy throughout Pennsylvania and most states in the U.S. through PSYPACT. Learn more on our about page or reach out through our contact page.
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If this topic resonates, you may also be interested in our related posts on people-pleasing and the fawn response, which often develops alongside gaslighting dynamics as a way of managing an unpredictable relationship. You can browse our full blog archive here.
References
American Psychological Association. (2023). Gaslighting. In APA Dictionary of Psychology. https://dictionary.apa.org/gaslighting
Jung, C. G. (1959). The archetypes and the collective unconscious (R. F. C. Hull, Trans.). Princeton University Press.
McWilliams, N. (2011). Psychoanalytic diagnosis: Understanding personality structure in the clinical process (2nd ed.). Guilford Press.
National Domestic Violence Hotline. (n.d.). What is gaslighting? https://www.thehotline.org/resources/what-is-gaslighting/
Sweet, P. L. (2019). The sociology of gaslighting. American Sociological Review, 84(5), 851–875. https://doi.org/10.1177/0003122419874843
