a. | 1. | Existing only in imagination or fancy; not real; fancied; visionary; ideal.
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n. | 1. | (Alg.) An imaginary expression or quantity. |
Adj. | 1. | imaginary - not based on fact; dubious; "the falsehood about some fanciful secret treaties"- F.D.Roosevelt; "a small child's imaginary friends"; "her imagined fame"; "to create a notional world for oneself" |