Pronunciation: (i-maj'u-ner"ē), [key]
—adj., n., pl. -ries.
existing only in the imagination or fancy; not real; fancied: an imaginary illness; the imaginary animals in the stories of Dr. Seuss.
Math.See imaginary number.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.