- 1. [adj-na, n] stupid; foolish
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) | ぐもうな | (gumouna) |
| Non-past, plain | ぐもうだ | (gumouda) |
| Non-past, polite | ぐもうです | (gumoudesu) |
| Past, plain | ぐもうだった | (gumoudatta) |
| Past, polite | ぐもうでした | (gumoudeshita) |
| Negative, plain | ぐもうじゃない | (gumoujanai) |
| Negative, polite | ぐもうじゃないです | (gumoujanaidesu) |
| Past negative, plain | ぐもうじゃなかった | (gumoujanakatta) |
| Past negative, polite | ぐもうじゃなかったです | (gumoujanakattadesu) |
| Te-form | ぐもうで | (gumoude) |
| Conditional (―nara) | ぐもうなら | (gumounara) |