- 1. [adj-na, n] thoughtless; heedless; rash
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) | むかんがえな | (mukangaena) |
| Non-past, plain | むかんがえだ | (mukangaeda) |
| Non-past, polite | むかんがえです | (mukangaedesu) |
| Past, plain | むかんがえだった | (mukangaedatta) |
| Past, polite | むかんがえでした | (mukangaedeshita) |
| Negative, plain | むかんがえじゃない | (mukangaejanai) |
| Negative, polite | むかんがえじゃないです | (mukangaejanaidesu) |
| Past negative, plain | むかんがえじゃなかった | (mukangaejanakatta) |
| Past negative, polite | むかんがえじゃなかったです | (mukangaejanakattadesu) |
| Te-form | むかんがえで | (mukangaede) |
| Conditional (―nara) | むかんがえなら | (mukangaenara) |