- 1. [adj-na] grave; sad; mournful; sorrowful; pensive
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) | ちんつうな | (chintsuuna) |
| Non-past, plain | ちんつうだ | (chintsuuda) |
| Non-past, polite | ちんつうです | (chintsuudesu) |
| Past, plain | ちんつうだった | (chintsuudatta) |
| Past, polite | ちんつうでした | (chintsuudeshita) |
| Negative, plain | ちんつうじゃない | (chintsuujanai) |
| Negative, polite | ちんつうじゃないです | (chintsuujanaidesu) |
| Past negative, plain | ちんつうじゃなかった | (chintsuujanakatta) |
| Past negative, polite | ちんつうじゃなかったです | (chintsuujanakattadesu) |
| Te-form | ちんつうで | (chintsuude) |
| Conditional (―nara) | ちんつうなら | (chintsuunara) |