imaginary

adjective

imag·​i·​nary i-ˈma-jə-ˌner-ē How to pronounce imaginary (audio)
-ˌne-rē
1
a
: existing only in imagination : lacking factual reality
b
: formed or characterized imaginatively or arbitrarily
his canvases, chiefly imaginary, somber landscapesCurrent Biography
2
: containing or relating to the imaginary unit
imaginary roots
imaginarily adverb
imaginariness noun
Choose the Right Synonym for imaginary

imaginary, fanciful, visionary, fantastic, chimerical, quixotic mean unreal or unbelievable.

imaginary applies to something which is fictitious and purely the product of one's imagination.

an imaginary desert isle

fanciful suggests the free play of the imagination.

a teller of fanciful stories

visionary stresses impracticality or incapability of realization.

visionary schemes

fantastic implies incredibility or strangeness beyond belief.

a fantastic world inhabited by monsters

chimerical combines the implication of visionary and fantastic.

chimerical dreams of future progress

quixotic implies a devotion to romantic or chivalrous ideals unrestrained by ordinary prudence and common sense.

a quixotic crusade

Examples of imaginary in a Sentence

The two groups were separated by an imaginary line down the middle of the room. an imaginary world of dragons and unicorns
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
After the war, that technology, developed by a painfully pretentious guru named Ethan Skate (Stanley Tucci), was sold to the public as a way of keeping them sedated and immersed in imaginary worlds. Bilge Ebiri, Vulture, 14 Mar. 2025 And now a question for a future newsletter: Do the kids in your life have imaginary friends? Anna North, Vox, 13 Mar. 2025 In a statement accompanying the photo, ESO notes that the planets do not follow the same arc of the Milky Way, but instead follow an imaginary line known as the ecliptic. Brett Tingley, Space.com, 12 Mar. 2025 In this context, the achievements, real or imaginary, of their children became a tool in a petty squabble. Adam Crafton, The Athletic, 19 Feb. 2025 See All Example Sentences for imaginary

Word History

Etymology

Middle English ymaginarie, borrowed from Latin imāginārius "unreal, fictitious (in law)," from imāgin-, imāgō "representation, semblance, image entry 1" + -ārius -ary entry 2

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of imaginary was in the 15th century

Browse Nearby Words

Cite this Entry

“Imaginary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/imaginary. Accessed 1 Apr. 2025.

Kids Definition

imaginary

adjective
imag·​i·​nary im-ˈaj-ə-ˌner-ē How to pronounce imaginary (audio)
: existing only in imagination : not real
unicorns are imaginary

Medical Definition

imaginary

adjective
imag·​i·​nary im-ˈaj-ə-ˌner-ē How to pronounce imaginary (audio)
: existing only in imagination : lacking factual reality
imaginary fears
an imaginary illness

More from Merriam-Webster on imaginary

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