Synonyms of illusory

1 Syllable
slyer, sly, slyest, slier, float, sliest, sham
2 Syllables
sneaking, groundless, untrue, seeming, artier, ghostlier, unreal, blue-sky, semblant, umbral, ideal, false, spectral, arty, ghostly
3 Syllables
fanciful, deceitful, fictional, vampiric, eidolic, mistaken, apparent, notional, sophistic, fallacious, misleading, storybook, chimeral, invented, fictive, fantastic, utopian, probable, shadowy, whimsical, dreamed-up, phantasmal, chimeric, phantasmic, fictitious, ungrounded
4 Syllables
delusive, illusive, ostensible, suppositious, chimerical, visionary, elusive, pie-in-the-sky, deceptive, subjective, barmecidal, nonexistent, elusory, insubstantial, ostensive, delusory
5 Syllables
phantasmagoric, apparitional, imaginary, nonobjective, unobjective, supposititious
6 Syllables
hallucinatory
7 Syllables
nonrepresentative