Created by or as if by a wildly fanciful imagination; highly improbable.(adjective)
Given to unrealistic fantasies; fanciful.(adjective)
Of, related to, or being a chimera.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "chimerical" in a sentence
"He interested his brother Etienne in these so-called chimerical projects."
"Hodder fell asleep from sheer exhaustion, awaking during the night at occasional intervals to recall chimerical dreams in which the events of the day before were reflected, but caricatured and distorted."
"She struggles for no kind of chimerical credit, disclaims the appearance of every affectation, and is in all things just what she seems, and others would be thought."