- 1. [n, adj-na] young and old; all ages
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) | ろうにゃくな | (rounyakuna) |
| Non-past, plain | ろうにゃくだ | (rounyakuda) |
| Non-past, polite | ろうにゃくです | (rounyakudesu) |
| Past, plain | ろうにゃくだった | (rounyakudatta) |
| Past, polite | ろうにゃくでした | (rounyakudeshita) |
| Negative, plain | ろうにゃくじゃない | (rounyakujanai) |
| Negative, polite | ろうにゃくじゃないです | (rounyakujanaidesu) |
| Past negative, plain | ろうにゃくじゃなかった | (rounyakujanakatta) |
| Past negative, polite | ろうにゃくじゃなかったです | (rounyakujanakattadesu) |
| Te-form | ろうにゃくで | (rounyakude) |
| Conditional (―nara) | ろうにゃくなら | (rounyakunara) |