| innate(excellent, obscure, extraordinary, superior, fantastic) |
| inoperable(wild, unreasonable, useless, absurd, abstract) |
| inquisitive |
| instanced(adjective, hypothetical) |
| insubstantial(fake, false, abstract, imaginary, fanciful) |
| intact(excellent, obscure, extraordinary, superior, fantastic) |
| integral(adjective, important, significant, original, essential) |
| intrinsic(adjective, important, significant, original, essential) |
| intuitive(excellent, obscure, extraordinary, superior, fantastic) |
| invented(fake, false, fantastic, imaginary, unreal) |
| irresolute(uncertain, hesitant, dubious, unsure) |
| ivory-tower(adjective, wild, unreasonable, useless, intellectual) |
| jesuitic(abstract, abstruse, philosophical) |
| just |
| key(adjective, important, significant, original, essential) |
| legendary(fake, false, fantastic, imaginary, unreal) |
| like doubting Thomas(expression, idiom, uncertain, hesitant, dubious) |
| literary(adjective, academic) |
| lost(uncertain, hesitant, dubious, unsure) |
| major(adjective, important, significant, original, essential) |