adjective imag·i·nary \i-ˈma-jə-ˌner-ē, -ˌne-rē\

: not real : existing only in your mind or imagination

Full Definition of IMAGINARY

a :  existing only in imagination :  lacking factual reality
b :  formed or characterized imaginatively or arbitrarily <his canvases, chiefly imaginary, somber landscapes — Current Biography>
:  containing or relating to the imaginary unit <imaginary roots>
imag·i·nari·ly \i-ˌma-jə-ˈner-ə-lē\ adverb
imag·i·nari·ness \-ˈma-jə-ˌner-ē-nəs\ noun

Examples of IMAGINARY

  1. The two groups were separated by an imaginary line down the middle of the room.
  2. an imaginary world of dragons and unicorns

First Known Use of IMAGINARY

14th century

Synonym Discussion of IMAGINARY

imaginary, fanciful, visionary, fantastic, chimerical, quixotic mean unreal or unbelievable. imaginary applies to something which is fictitious and purely the product of one's imagination <an imaginary desert isle>. fanciful suggests the free play of the imagination <a teller of fanciful stories>. visionary stresses impracticality or incapability of realization <visionary schemes>. fantastic implies incredibility or strangeness beyond belief <a fantastic world inhabited by monsters>. chimerical combines the implication of visionary and fantastic <chimerical dreams of future progress>. quixotic implies a devotion to romantic or chivalrous ideals unrestrained by ordinary prudence and common sense <a quixotic crusade>.
IMAGINARILY Defined for Kids


adjective imag·i·nary \i-ˈma-jə-ˌner-ē\

Definition of IMAGINARY for Kids

:  existing only in the imagination :  not real <an imaginary world>
Medical Dictionary


adjective imag·i·nary \im-ˈaj-ə-ˌner-ē\

Medical Definition of IMAGINARY

:  existing only in imagination :  lacking factual reality <imaginary fears> <an imaginary illness>


Next Word in the Dictionary: imaginary numberPrevious Word in the Dictionary: imaginantAll Words Near: imaginary
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears