- 1. [adj-na, n] scintillating; extraordinarily excellent
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) | けいばつな | (keibatsuna) |
| Non-past, plain | けいばつだ | (keibatsuda) |
| Non-past, polite | けいばつです | (keibatsudesu) |
| Past, plain | けいばつだった | (keibatsudatta) |
| Past, polite | けいばつでした | (keibatsudeshita) |
| Negative, plain | けいばつじゃない | (keibatsujanai) |
| Negative, polite | けいばつじゃないです | (keibatsujanaidesu) |
| Past negative, plain | けいばつじゃなかった | (keibatsujanakatta) |
| Past negative, polite | けいばつじゃなかったです | (keibatsujanakattadesu) |
| Te-form | けいばつで | (keibatsude) |
| Conditional (―nara) | けいばつなら | (keibatsunara) |