- 1. [adj-na, adj-no, n] most difficult; next to impossible
Conjugation — Adjective (―na)
This word itself does not change -- these are forms of the copula だ ("to be") attached to it.
| Attributive (before a noun) | しなんな | (shinanna) |
| Non-past, plain | しなんだ | (shinanda) |
| Non-past, polite | しなんです | (shinandesu) |
| Past, plain | しなんだった | (shinandatta) |
| Past, polite | しなんでした | (shinandeshita) |
| Negative, plain | しなんじゃない | (shinanjanai) |
| Negative, polite | しなんじゃないです | (shinanjanaidesu) |
| Past negative, plain | しなんじゃなかった | (shinanjanakatta) |
| Past negative, polite | しなんじゃなかったです | (shinanjanakattadesu) |
| Te-form | しなんで | (shinande) |
| Conditional (―nara) | しなんなら | (shinannara) |