- 1. [n, adj-na] throwing one's weight around without knowing one's limitations; Yelang thinks too highly of itself (yoji)
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) | やろうじだいな | (yaroujidaina) |
| Non-past, plain | やろうじだいだ | (yaroujidaida) |
| Non-past, polite | やろうじだいです | (yaroujidaidesu) |
| Past, plain | やろうじだいだった | (yaroujidaidatta) |
| Past, polite | やろうじだいでした | (yaroujidaideshita) |
| Negative, plain | やろうじだいじゃない | (yaroujidaijanai) |
| Negative, polite | やろうじだいじゃないです | (yaroujidaijanaidesu) |
| Past negative, plain | やろうじだいじゃなかった | (yaroujidaijanakatta) |
| Past negative, polite | やろうじだいじゃなかったです | (yaroujidaijanakattadesu) |
| Te-form | やろうじだいで | (yaroujidaide) |
| Conditional (―nara) | やろうじだいなら | (yaroujidainara) |