Meaning of the word delusional in English

What does delusional mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

delusional

US /dɪˈluː.ʒən.əl/
UK /dɪˈluː.ʒən.əl/

Adjective

1.

believing things that are not true:

Example:
Delusional thinking is common in schizophrenia.
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