| Part of speech | adjective |
|---|---|
| Hyphenation | ja·pan·a |
| Singular | Plural | |
|---|---|---|
| Nominative | japana | japanaj |
| Accusative | japanan | japanajn |
| Afrikaans | Japannees |
|---|---|
| Albanian | japonez |
| Chinook Jargon | chap |
| Czech | japonský |
| Danish | japansk |
| Dutch | Japans |
| English | Japanese |
| Finnish | japanilainen |
| French | japonais |
| German | japanisch |
| Greek | ιαπωνέζικος |
| Low German | japansk; japaansk |
| Norwegian | japansk |
| Papiamento | hapones |
| Polish | japoński |
| Portuguese | japonês |
| Russian | японский |
| Saterland Frisian | japanisk |
| Spanish | japonés |
| Swedish | japanesisk; japansk |
| Thai | ญี่ปุ่น |
| Turkish | Japonca; Japonyalı |
| Ukrainian | японський |
| West Frisian | Japansk |