- 1. [adj-na, n] acquaintance
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) | じょくちな | (jokuchina) |
| Non-past, plain | じょくちだ | (jokuchida) |
| Non-past, polite | じょくちです | (jokuchidesu) |
| Past, plain | じょくちだった | (jokuchidatta) |
| Past, polite | じょくちでした | (jokuchideshita) |
| Negative, plain | じょくちじゃない | (jokuchijanai) |
| Negative, polite | じょくちじゃないです | (jokuchijanaidesu) |
| Past negative, plain | じょくちじゃなかった | (jokuchijanakatta) |
| Past negative, polite | じょくちじゃなかったです | (jokuchijanakattadesu) |
| Te-form | じょくちで | (jokuchide) |
| Conditional (―nara) | じょくちなら | (jokuchinara) |