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Anxiety Glossary

Uncertainty tolerance

Uncertainty tolerance is the ability to function and act without having absolute certainty about how a situation will turn out. It is a core skill targeted in the treatment of GAD — because intolerance of uncertainty is one of the main factors that keeps chronic worry going.

People with low uncertainty tolerance interpret uncertainty itself as threatening ('if I don't know what's going to happen, it could be something bad') and use worry as a flawed coping strategy. Worry creates an illusion of preparedness — 'if I worry enough, I'll be ready for the worst.'

Uncertainty-tolerance work does the opposite: deliberate exposure to uncertainty in low-risk situations, training the nervous system to tolerate the discomfort of not knowing without responding with excessive worry.

💡 Practical example

An uncertainty-tolerance exercise: leaving the house without checking multiple times whether the door is locked, even without absolute certainty that it is. The residual uncertainty is uncomfortable, but the person learns they can tolerate that discomfort without any catastrophe happening.

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