ɪ'mædʒənerɪ /-nrɪ noun +(mathematics) a number of the form a
fictitious, fanciful, fancied, chimerical, imagined, fictive, illusory or illusive, visionary, made-up, unreal, untrue, mythical or mythic, notional, abstract; legendary, mythological:
When he was a boy, he had an imaginary friend called Carbonario.
Advanced English Dictionary
+adjective existing only in your mind or imagination: imaginary fears / threats + The equator is an imaginary line around the middle of the earth. + The story is wholly imaginary. + I had an imaginary friend when I was a child. + We must listen to their problems, real or imaginary.
Collocation Dictionary adj
completely, purely, wholly
The characters in this book are purely imaginary.
Random quote: A rolling stone gathers no moss.: Publilius Syrus