[ih-maj-uh-ner-ee] /ɪˈmædʒ əˌnɛr i/

existing only in the or fancy; not real; fancied:
an imaginary illness; the imaginary animals in the stories of Dr. Seuss.
noun, plural imaginaries.
Mathematics. .
/ɪˈmædʒɪnərɪ; -dʒɪnrɪ/
existing in the imagination; unreal; illusory
(maths) involving or containing imaginary numbers. The imaginary part of a complex number, z, is usually written Imz

“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.


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