Meaning of the word chimerical in English

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

chimerical

US /kaɪˈmer.ɪ.kəl/
UK /kaɪˈmer.ɪ.kəl/

Adjective

existing only as a product of unchecked imagination; fantastically visionary or improbable

Example:
His plans for a perpetual motion machine were entirely chimerical.
She pursued a chimerical dream of becoming a pop star overnight.