- 1. [adj-na, n] sincere; earnest; serious
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) | しんしな | (shinshina) |
| Non-past, plain | しんしだ | (shinshida) |
| Non-past, polite | しんしです | (shinshidesu) |
| Past, plain | しんしだった | (shinshidatta) |
| Past, polite | しんしでした | (shinshideshita) |
| Negative, plain | しんしじゃない | (shinshijanai) |
| Negative, polite | しんしじゃないです | (shinshijanaidesu) |
| Past negative, plain | しんしじゃなかった | (shinshijanakatta) |
| Past negative, polite | しんしじゃなかったです | (shinshijanakattadesu) |
| Te-form | しんしで | (shinshide) |
| Conditional (―nara) | しんしなら | (shinshinara) |