Imaginary meaning
Having existence only in the imagination; unreal.
adjective
The definition of imaginary is not real or existing only in the mind, or a square root of a negative number.
An example of something imaginary is an invisible friend.
An example of something imaginary is the square root of negative 16.
adjective
An imaginary number.
noun
Existing only in the imagination; fanciful; unreal.
adjective
Designating or of the square root of a negative quantity, or of a complex number that is not real.
adjective
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(mathematics) Of a number, having no real part; that part of a complex number which is a multiple of the square root of -1.
adjective
(mathematics) An imaginary quantity. [from 18th c.]
noun
Origin of imaginary
- From Middle French imaginaire, from Latin imāginārius (“relating to images, fancied”), from imāgo.
From Wiktionary