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imaginary

[ih-maj-uh-ner-ee] /ɪˈmædʒ əˌnɛr i/
adjective
1.
existing only in the imagination or fancy; not real; fancied:
an imaginary illness; the imaginary animals in the stories of Dr. Seuss.
noun, plural imaginaries.
2.
Mathematics, imaginary number.
Origin
1350-1400
1350-1400; Middle English < Latin imāginārius, equivalent to imāgin-, (stem of imāgō) image + -ārius -ary
Related forms
imaginarily, adverb
imaginariness, noun
nonimaginarily, adverb
nonimaginarilyness, noun
nonimaginariness, noun
nonimaginary, adjective
preimaginary, adjective
unimaginary, adjective
Can be confused
imaginary, imaginative.
Synonyms
1. fanciful, visionary, shadowy, chimerical, baseless, illusory.
Antonyms
1. real.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for preimaginary

imaginary

/ɪˈmædʒɪnərɪ; -dʒɪnrɪ/
adjective
1.
existing in the imagination; unreal; illusory
2.
(maths) involving or containing imaginary numbers. The imaginary part of a complex number, z, is usually written Imz
Derived Forms
imaginarily, adverb
imaginariness, noun
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
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Word Origin and History for preimaginary

imaginary

adj.

"not real," late 14c., ymaginaire, from imagine + -ary; or else from Late Latin imaginarius "seeming, fancied," from imaginari. Imaginary friend (one who does not exist) attested by 1789.

Online Etymology Dictionary, © 2010 Douglas Harper
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