| guileful(adjective, mean, smooth, wrong, smart) |
| heretical |
| heterodox |
| idiosyncratic(adjective, strange, fantasy, unreal) |
| impractical |
| improper(adjective, wrong, fake, counterfeit, dishonest) |
| inaccurate(adjective, wrong, fake, false, counterfeit) |
| incongruous(adjective, strange, fantasy, unreal) |
| incorrect(adjective, wrong, fake, false, counterfeit) |
| inexact(adjective, wrong, fake, false, counterfeit) |
| insincere(adjective, fake, false, counterfeit, dishonest) |
| intentionally untrue |
| invalid(adjective, wrong, fake, false, counterfeit) |
| invented(fake, false, fantastic, untrue, unreal) |
| irrational(mad, unreasonable) |
| legendary(fake, false, fantastic, unreal, fanciful) |
| mad(unreasonable, irrational) |
| made-up(adjective, fake, false, counterfeit, fantastic) |
| made up(expression, adjective, wrong, fake, counterfeit) |
| make-believe(adjective, fake, false, counterfeit, sham) |