1. Lacking material form or substance; unreal
   "as unreal as a dream";
   - insubstantial, unsubstantial
    
2. Lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria
   "ghosts and other unreal entities"; "unreal propaganda serving as news"
    
3. Not actually such; being or seeming fanciful or imaginary
   "the unreal world of advertising art"; "this conversation is getting more and more unreal"; "the fantastically unreal world of government bureaucracy"
    
4. Contrived by art rather than nature
   "unreal flowers";
   - artificial

See also: aerial, aeriform, aery, airy, arranged, bionic, bleached, cardboard, celluloid, colored [US], coloured [Brit, Cdn], conventionalised [Brit], conventionalized, counterfeit, deceptive, delusory, dreamed, dreamlike, dummy, dyed, envisioned, ersatz, ethereal, etherial, eye-deceiving, fabled, fabricated, fabulous, factitious, fake, false, fancied, fanciful, fantastic, fantastical, faux, fictional, fictitious, hallucinatory, hollow, illusional, illusionary, illusive, illusory, imaginary, imitation, imitative, immaterial, insincere, legendary, made-up, make-believe, man-made, mythic, mythical, mythologic, mythological, near, nonmaterial, notional, painted, phantom, pictured, pretend, realism, reality, realness, semisynthetic, shadowy, simulated, solidness, staged, stringy, stylised [Brit], stylized, substantiality, substantialness, substitute, supernatural, surreal, synthetic, trompe-l'oeil, unlifelike, unrealistic, visualised [Brit], visualized, wraithlike

Antonym: existent, real

Encyclopedia: Unreal