noun

delusion

dih-LOOZHN

noun

A firmly held false belief, maintained even against clear evidence.

"His delusion that he was being watched grew worse over the years."

"The therapist worked to gently challenge her delusions."

How to Use Delusion

Learner’s notes

In plain EnglishA false belief someone holds onto tightly, even when the facts say otherwise.

Common mistake

In clinical use, a delusion is a specific symptom of certain mental health conditions, not just any mistaken idea.

Common pairings

delusions of grandeur suffer from delusions under the delusion that

delusions plural

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His _____ that he was being watched grew worse over the years.

From Latin delusio, from deludere ("to deceive").

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