- 1. [adj-na, n] undutifulness to one's parents; lack of filial piety
- 2. [adj-na, n] (the crime of) cursing one's parents (arch)
- 3. [adj-na, n] disowning one's child (arch)
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) | ふこうな | (fukouna) |
| Non-past, plain | ふこうだ | (fukouda) |
| Non-past, polite | ふこうです | (fukoudesu) |
| Past, plain | ふこうだった | (fukoudatta) |
| Past, polite | ふこうでした | (fukoudeshita) |
| Negative, plain | ふこうじゃない | (fukoujanai) |
| Negative, polite | ふこうじゃないです | (fukoujanaidesu) |
| Past negative, plain | ふこうじゃなかった | (fukoujanakatta) |
| Past negative, polite | ふこうじゃなかったです | (fukoujanakattadesu) |
| Te-form | ふこうで | (fukoude) |
| Conditional (―nara) | ふこうなら | (fukounara) |