| English | eng-000 |
| pessimist | |
| toskërishte | als-000 | pesimist |
| العربية | arb-000 | المتشائم |
| العربية | arb-000 | متطير |
| Universal Networking Language | art-253 | pessimist |
| Universal Networking Language | art-253 | pessimist(icl>skeptic>thing,ant>optimist) |
| Sambahsa-mundialect | art-288 | pessimiste |
| беларуская | bel-000 | песіміст |
| беларуская | bel-000 | пэсыміст |
| বাংলা | ben-000 | দুঃখ |
| català | cat-000 | pessimista |
| čeština | ces-000 | pesimista |
| 普通话 | cmn-000 | 悲观主义者 |
| 普通话 | cmn-000 | 悲观论者 |
| 國語 | cmn-001 | 厭世派 |
| 國語 | cmn-001 | 厭世者 |
| 國語 | cmn-001 | 悲觀= |
| 國語 | cmn-001 | 悲觀者 |
| 國語 | cmn-001 | 悲觀論者 |
| Cymraeg | cym-000 | pesimist |
| Deutsch | deu-000 | Fatalist |
| Deutsch | deu-000 | Melancholiker |
| Deutsch | deu-000 | Miesmacher |
| Deutsch | deu-000 | Pessimist |
| Deutsch | deu-000 | Pessimistin |
| Deutsch | deu-000 | Schwarzmaler |
| Deutsch | deu-000 | Schwarzseher |
| eesti | ekk-000 | pessimist |
| ελληνικά | ell-000 | απαισιόδοξος |
| ελληνικά | ell-000 | πεσιμιστής |
| English | eng-000 | alarmist |
| English | eng-000 | cynic |
| English | eng-000 | naysayer |
| English | eng-000 | negativist |
| English | eng-000 | worrier |
| English | eng-000 | worrywart |
| Esperanto | epo-000 | nigrevidulo |
| Esperanto | epo-000 | pesimistino |
| Esperanto | epo-000 | pesimisto |
| euskara | eus-000 | ezkor |
| euskara | eus-000 | pesimista |
| suomi | fin-000 | pessimisti |
| suomi | fin-000 | synkkä |
| français | fra-000 | chevêche |
| français | fra-000 | défaitiste |
| français | fra-000 | pessimiste |
| Gaeilge | gle-000 | duarcán |
| galego | glg-000 | pesimista |
| yn Ghaelg | glv-000 | doo-aignagh |
| ગુજરાતી | guj-000 | નિરાશાવાદી |
| ʻōlelo Hawaiʻi | haw-000 | kūlana hoihoi ʻole |
| Srpskohrvatski | hbs-001 | pesìmist |
| עברית | heb-000 | פסימיסט |
| עברית | heb-000 | רואה שחורות |
| हिन्दी | hin-000 | निराशावाद |
| हिन्दी | hin-000 | निराशावादी |
| हिन्दी | hin-000 | वस्तुओं का बुरा पक्ष देखने वाला विषादात्मक विचार वाला |
| हिन्दी | hin-000 | संसार को दुखमय जानने वाला |
| hiMxI | hin-004 | nirASAvAxa |
| hrvatski | hrv-000 | pesimist |
| hrvatski | hrv-000 | pesìmist |
| magyar | hun-000 | borúlátó |
| magyar | hun-000 | pesszimista |
| Ido | ido-000 | pesimista |
| interlingua | ina-000 | pessimista |
| bahasa Indonesia | ind-000 | pesimis |
| íslenska | isl-000 | svartsýnismaður |
| italiano | ita-000 | catastrofista |
| italiano | ita-000 | pessimista |
| 日本語 | jpn-000 | シニック |
| 日本語 | jpn-000 | ペシミスト |
| 日本語 | jpn-000 | 厭世家 |
| 日本語 | jpn-000 | 厭世悲観者 |
| 日本語 | jpn-000 | 悲観主義者 |
| 日本語 | jpn-000 | 悲観論者 |
| 日本語 | jpn-000 | 犬儒学派 |
| にほんご | jpn-002 | えんせいか |
| にほんご | jpn-002 | えんせいひかんしゃ |
| にほんご | jpn-002 | けんじゅがくは |
| にほんご | jpn-002 | ひかんろんじゃ |
| Taqbaylit | kab-000 | amezzark |
| Ikalanga | kck-000 | ntoboki |
| Ikalanga | kck-000 | toboki |
| Kurmancî | kmr-000 | pesîmîst |
| Kurmancî | kmr-000 | reşbîn |
| 한국어 | kor-000 | 비관론자 |
| Lingua Franca Nova | lfn-000 | pesimiste |
| lietuvių | lit-000 | pesimistas |
| मराठी | mar-000 | निराशाजनक |
| मराठी | mar-000 | निराशावादी |
| मराठी | mar-000 | नैराश्यवादी |
| मराठी | mar-000 | रड्या माणूस |
| олык марий | mhr-000 | пессимист |
| Maranao | mrw-000 | angendaʼ |
| Tâi-gí | nan-003 | iàm-sè-chía |
| Tâi-gí | nan-003 | iàm-sè-phài |
| Nederlands | nld-000 | doemdenker |
| Nederlands | nld-000 | pessimist |
| Nederlands | nld-000 | zwartdenker |
| Nederlands | nld-000 | zwartkijker |
| Nederlands | nld-000 | zwartkijker |
| nynorsk | nno-000 | pessimist |
| bokmål | nob-000 | pessimist |
| ирон ӕвзаг | oss-000 | пессимист |
| Papiamentu | pap-000 | pesimista |
| polski | pol-000 | czarnowidz |
| polski | pol-000 | pesymista |
| polski | pol-000 | pesymistka |
| português | por-000 | pessimista |
| română | ron-000 | pesimist |
| русский | rus-000 | пессими́ст |
| русский | rus-000 | пессими́стка |
| русский | rus-000 | пессимист |
| саха тыла | sah-000 | пессимист |
| lingua siciliana | scn-000 | pessimista |
| slovenčina | slk-000 | pesimista |
| slovenščina | slv-000 | pesimist |
| slovenščina | slv-000 | črnogled |
| slovenščina | slv-000 | črnogledec |
| español | spa-000 | pesimista |
| shqip | sqi-000 | pesimist |
| svenska | swe-000 | pessimist |
| தமிழ் | tam-000 | படுமையர் |
| తెలుగు | tel-000 | నిరాశావాది |
| ภาษาไทย | tha-000 | คนมองโลกในแง่ร้าย |
| ภาษาไทย | tha-000 | ผู้มองดูในแง่ร้าย |
| ภาษาไทย | tha-000 | ผู้ยึดถือลัทธิมองโลกในแง่ร้าย |
| ภาษาไทย | tha-000 | ผู้วิตกกังวล |
| ภาษาไทย | tha-000 | ผู้หมดอาลัยตายอยาก |
| Türkçe | tur-000 | bedbin |
| Türkçe | tur-000 | bedbin kimse |
| Türkçe | tur-000 | karamsar |
| Türkçe | tur-000 | karamsar kimse |
| Türkçe | tur-000 | kötümser |
| Türkçe | tur-000 | kötümser kimse |
| Türkçe | tur-000 | pesimist |
| Talossan | tzl-000 | peßimistà |
| українська | ukr-000 | песиміст |
| tiếng Việt | vie-000 | kẻ bi quan |
| tiếng Việt | vie-000 | kẻ yếm thế |
| Volapük | vol-000 | badiman |
| Volapük | vol-000 | hibadiman |
| Volapük | vol-000 | jibadiman |