| Nederlands | nld-000 |
| optimist | |
| беларуская | bel-000 | аптыміст |
| català | cat-000 | optimista |
| čeština | ces-000 | optimista |
| Deutsch | deu-000 | Optimist |
| Deutsch | deu-000 | Optimistin |
| ελληνικά | ell-000 | αισιόδοξος |
| English | eng-000 | optimist |
| Esperanto | epo-000 | optimisto |
| suomi | fin-000 | optimisti |
| suomi | fin-000 | optimistijolla |
| français | fra-000 | optimiste |
| Gaeilge | gle-000 | soirbhíoch |
| Srpskohrvatski | hbs-001 | optìmist |
| עברית | heb-000 | אופטימי |
| עברית | heb-000 | אופטימיסט |
| hrvatski | hrv-000 | optimist |
| hrvatski | hrv-000 | optimista |
| hrvatski | hrv-000 | optìmist |
| hrvatski | hrv-000 | vedar čovjek |
| magyar | hun-000 | optimista |
| արևելահայերեն | hye-000 | լավատես |
| արևելահայերեն | hye-000 | օպտիմիստ |
| íslenska | isl-000 | bjartsýnismaður |
| italiano | ita-000 | ottimista |
| 日本語 | jpn-000 | 楽観主義者 |
| Limburgs | lim-000 | optemis |
| lietuvių | lit-000 | optimistas |
| македонски | mkd-000 | оптимист |
| Nederlands | nld-000 | optimiste |
| nynorsk | nno-000 | optimist |
| nynorsk | nno-000 | optimistjolle |
| bokmål | nob-000 | Optimist |
| bokmål | nob-000 | optimist |
| bokmål | nob-000 | optimistjolle |
| Papiamentu | pap-000 | optimista |
| polski | pol-000 | optymista |
| polski | pol-000 | optymistka |
| português | por-000 | o(p)timista |
| português | por-000 | otimista |
| русский | rus-000 | оптими́ст |
| русский | rus-000 | оптими́стка |
| русский | rus-000 | оптимист |
| русский | rus-000 | оптимистка |
| slovenčina | slk-000 | optimista |
| español | spa-000 | optimista |
| shqip | sqi-000 | optimist |
| svenska | swe-000 | optimist |
| ภาษาไทย | tha-000 | ผู้มองโลกในแง่ดี |
| ภาษาไทย | tha-000 | ผู้มองในแง่ดี |
| Türkçe | tur-000 | iyimser |
| Türkçe | tur-000 | nikbin |
| Türkçe | tur-000 | optimist |
| українська | ukr-000 | оптиміст |
| українська | ukr-000 | оптимістка |
| Volapük | vol-000 | frediman |
| Volapük | vol-000 | hifrediman |
| Volapük | vol-000 | jifrediman |