| idealistic(unlikely, improbable) |
| illusory(adjective, fake, false, imaginary, fanciful) |
| imaginary(adjective, fake, false, fanciful, illusory) |
| imagined(adjective, fake, false, imaginary, fanciful) |
| immaterial(adjective, fake, false, imaginary, fanciful) |
| impalpable(adjective, fake, false, imaginary, fanciful) |
| impracticable(adjective, silly, impractical, unlikely, unreal) |
| impractical(adjective, silly, unlikely, unreal, idealistic) |
| insincere(adjective, fake, false, imaginary, fanciful) |
| insubstantial(adjective, fake, false, imaginary, fanciful) |
| intangible(adjective, fake, false, imaginary, fanciful) |
| invented(adjective, fake, false, imaginary, fanciful) |
| ivory-tower(adjective, silly, impractical, unlikely, unreal) |
| legendary(adjective, fake, false, imaginary, fanciful) |
| make-believe hypothetical(expression, adjective, fake, false, imaginary) |
| mind-blowing(unbelievable, unthinkable, unimaginable) |
| misleading(adjective, fake, false, imaginary, fanciful) |
| mock(adjective, fake, false, imaginary, fanciful) |
| mythical(adjective, fake, false, imaginary, fanciful) |
| naive(unlikely, idealistic, improbable) |