Dictionary.com
Thesaurus.com
Synonyms

imaginary

American  
[ih-maj-uh-ner-ee] / ɪˈmædʒ əˌnɛr i /

adjective

  1. existing only in the imagination or fancy; not real; fancied.

    an imaginary illness; the imaginary animals in the stories of Dr. Seuss.

    Synonyms:
    illusory, baseless, chimerical, shadowy, visionary, fanciful
    Antonyms:
    real

noun

plural

imaginaries
  1. Mathematics. imaginary number.

imaginary British  
/ -dʒɪnrɪ, ɪˈmædʒɪnərɪ /

adjective

  1. existing in the imagination; unreal; illusory

  2. maths involving or containing imaginary numbers. The imaginary part of a complex number, z, is usually written Im z

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • imaginarily adverb
  • imaginariness noun
  • nonimaginarily adverb
  • nonimaginarilyness noun
  • nonimaginariness noun
  • nonimaginary adjective
  • preimaginary adjective
  • unimaginary adjective

Etymology

Origin of imaginary

1350–1400; Middle English < Latin imāginārius, equivalent to imāgin-, (stem of imāgō ) image + -ārius -ary

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A child gets lost on a hike and meets an imaginary friend.

From The Wall Street Journal

Haley told her parents that an imaginary friend, a girl named Alecia, had kept her company and guided her to the river.

From The Wall Street Journal

I took many imaginary beaver and muskrat but I did no more sets and killed no more animals.

From Literature

"I tell my children imaginary stories. I try to make the stories motivating and uplifting," she said, such as tales of a new home with separate rooms and beds.

From Barron's

I shook my head, clearing the thoughts of my imaginary family away as I shut my closet door.

From Literature