- 1. [adj-na] fierce
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) | せいれつな | (seiretsuna) |
| Non-past, plain | せいれつだ | (seiretsuda) |
| Non-past, polite | せいれつです | (seiretsudesu) |
| Past, plain | せいれつだった | (seiretsudatta) |
| Past, polite | せいれつでした | (seiretsudeshita) |
| Negative, plain | せいれつじゃない | (seiretsujanai) |
| Negative, polite | せいれつじゃないです | (seiretsujanaidesu) |
| Past negative, plain | せいれつじゃなかった | (seiretsujanakatta) |
| Past negative, polite | せいれつじゃなかったです | (seiretsujanakattadesu) |
| Te-form | せいれつで | (seiretsude) |
| Conditional (―nara) | せいれつなら | (seiretsunara) |