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.

IMAGINARY definition: 1. Something that is imaginary is created by and exists only in the mind: 2. Something that is…. Learn more.

IMAGINARY definition: existing only in the imagination or fancy; not real; fancied. See examples of imaginary used in a sentence.

There are ten meanings listed in OED's entry for the word imaginary, four of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Definition of imaginary adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

imaginary (ɪˈmædʒɪnərɪ; -dʒɪnrɪ) adj 1. existing in the imagination; unreal; illusory

im•ag•i•nar•y (i maj′ ə ner′ē), adj., n., pl. -ries. adj. existing only in the imagination or fancy; not real; fancied: an imaginary illness; the imaginary animals in the stories of Dr. Seuss. n. …

Dec 14, 2025 · imaginary (comparative more imaginary, superlative most imaginary) Existing only in the imagination. quotations imaginary friend Unicorns are imaginary.

Anything imaginary is not real: it only exists in someone's head. We hate to ruin your day, but unicorns are imaginary.

From Longman Dictionary of Contemporary English i‧ma‧gi‧na‧ry /ɪˈmædʒənəri $ -neri/ adjective not real, but produced from pictures or ideas in your mind → fictional As she listened, she …