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chimerical

American  
[ki-mer-i-kuhl, -meer-, kahy-] / kɪˈmɛr ɪ kəl, -ˈmɪər-, kaɪ- /
Also chimeric

adjective

  1. unreal; imaginary; visionary.

    a chimerical terrestrial paradise.

    Synonyms:
    fantastic, illusory
    Antonyms:
    real
  2. wildly fanciful; highly unrealistic.

    a chimerical plan.


chimerical British  
/ kɪ-, kaɪˈmɛrɪkəl, kaɪˈmɛrɪk /

adjective

  1. wildly fanciful; imaginary

  2. given to or indulging in fantasies

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • chimerically adverb
  • chimericalness noun
  • nonchimeric adjective
  • nonchimerical adjective
  • nonchimerically adverb

Etymology

Origin of chimerical

First recorded in 1630–40; chimer(a) + -ical

Explanation

Use the adjective chimerical to describe something that is wildly fanciful or imaginative — like the chimerical illustrations of magical creatures in a children's book. A chimera was a fire-breathing monster from Greek mythology made from three different animals: a lion at its head, a goat in the middle, and a serpent at the end. The first surviving mention of the beast is in Homer's The Iliad. From this fantastical creature, English created the adjective chimerical to describe wild figments of the imagination.

Keep Reading on Vocabulary.com

Vocabulary lists containing chimerical

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Projections of economic gains from major sporting events are typically optimistic, euphoric, chimerical or conjectural.

From Los Angeles Times • Jun. 19, 2025

Which is to say, this was a precious, anticipated, frankly anxious affair — the materialization of a beloved and mercurial performer moving from the chimerical to the literal.

From New York Times • Apr. 26, 2023

Why are so many chimerical Shangri-Las fraught with conflict?

From Los Angeles Times • Jan. 9, 2023

He knows, too, that World Cup draws are not just bombastic and saccharine and filled with time-wasting and content-filling and Idris Elba; they are chimerical, too.

From New York Times • Apr. 1, 2022

Uto'pian, ideal, fanciful, chimerical: from "Utopia"—an imaginary island, represented by Sir Thomas More, in a work called "Utopia," as enjoying the greatest perfection in politics laws, and society.

From New Word-Analysis by William Swinton