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

characterized by or holding false beliefs or judgments about external reality that are maintained in spite of strong evidence to the contrary

Example:
He was so delusional that he believed he could fly.
It's delusional to think you can achieve success without any effort.
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