| Nederlands | nld-000 |
| serieus | |
| Englisce sprǣc | ang-000 | geornlice |
| العربية | arb-000 | جَادّ |
| العربية | arb-000 | جَدِّيّ |
| العربية | arb-000 | جِدِّيّ |
| Lingwa de Planeta | art-287 | seriose |
| Sambahsa-mundialect | art-288 | serieus |
| башҡорт теле | bak-000 | етди |
| беларуская | bel-000 | сур'ёзны |
| беларуская | bel-000 | сурʼёзны |
| català | cat-000 | seriosament |
| català | cat-000 | seriós |
| català | cat-000 | sincerament |
| čeština | ces-000 | klidný |
| čeština | ces-000 | rozumný |
| čeština | ces-000 | rozvážný |
| čeština | ces-000 | seriózní |
| čeština | ces-000 | stálý |
| čeština | ces-000 | těžký |
| čeština | ces-000 | upřímně |
| čeština | ces-000 | usazený |
| čeština | ces-000 | usedlý |
| čeština | ces-000 | vážný |
| 普通话 | cmn-000 | 严肃 |
| 普通话 | cmn-000 | 严重 |
| 普通话 | cmn-000 | 严重的 |
| 普通话 | cmn-000 | 沉重 |
| 普通话 | cmn-000 | 苦口 |
| 普通话 | cmn-000 | 认真 |
| 普通话 | cmn-000 | 较真 |
| 普通话 | cmn-000 | 较真儿 |
| 國語 | cmn-001 | 嚴肅 |
| 國語 | cmn-001 | 嚴重 |
| 國語 | cmn-001 | 嚴重的 |
| 國語 | cmn-001 | 沉重 |
| 國語 | cmn-001 | 苦口 |
| 國語 | cmn-001 | 認真 |
| 國語 | cmn-001 | 較真 |
| 國語 | cmn-001 | 較真兒 |
| Hànyǔ | cmn-003 | jiào zhen |
| Hànyǔ | cmn-003 | jiào zhēn r |
| Hànyǔ | cmn-003 | kǔ kou |
| Hànyǔ | cmn-003 | renzhen |
| Cymraeg | cym-000 | difrifol |
| Cymraeg | cym-000 | o ddifri' |
| Cymraeg | cym-000 | o ddifri’ |
| dansk | dan-000 | alvorlig |
| Deutsch | deu-000 | ernst |
| Deutsch | deu-000 | ernsthaft |
| Deutsch | deu-000 | gesetzt |
| Deutsch | deu-000 | im Ernst |
| Deutsch | deu-000 | schwerwiegend |
| Deutsch | deu-000 | seriös |
| ελληνικά | ell-000 | σοβαρά |
| ελληνικά | ell-000 | σοβαρός |
| English | eng-000 | considerably |
| English | eng-000 | earnest |
| English | eng-000 | earnestly |
| English | eng-000 | genuinely |
| English | eng-000 | grave |
| English | eng-000 | heavy |
| English | eng-000 | meaningful |
| English | eng-000 | meaningfully |
| English | eng-000 | reliable |
| English | eng-000 | responsibly |
| English | eng-000 | serious |
| English | eng-000 | seriously |
| English | eng-000 | soberly |
| English | eng-000 | solemn |
| English | eng-000 | solemnly |
| English | eng-000 | staid |
| Esperanto | epo-000 | digne |
| Esperanto | epo-000 | diligente |
| Esperanto | epo-000 | grava |
| Esperanto | epo-000 | malŝerce |
| Esperanto | epo-000 | serioza |
| Esperanto | epo-000 | serioze |
| euskara | eus-000 | serio |
| føroyskt | fao-000 | hábærsliga |
| føroyskt | fao-000 | við sóma |
| føroyskt | fao-000 | álvarsamur |
| suomi | fin-000 | painava |
| suomi | fin-000 | tosissaan |
| suomi | fin-000 | totinen |
| suomi | fin-000 | vakava |
| suomi | fin-000 | vakavamielinen |
| suomi | fin-000 | vakavasti |
| suomi | fin-000 | vakavissaan |
| français | fra-000 | grave |
| français | fra-000 | gravement |
| français | fra-000 | lourd |
| français | fra-000 | pesant |
| français | fra-000 | sincèrement |
| français | fra-000 | sérieuse |
| français | fra-000 | sérieusement |
| français | fra-000 | sérieux |
| Frysk | fry-000 | earnstich |
| Gaeilge | gle-000 | dáiríre |
| Gaeilge | gle-000 | tromchúiseach |
| galego | glg-000 | en serio |
| galego | glg-000 | seriamente |
| galego | glg-000 | sinceramente |
| kreyòl ayisyen | hat-000 | grav |
| Srpskohrvatski | hbs-001 | hládan |
| Srpskohrvatski | hbs-001 | ozbiljno |
| Srpskohrvatski | hbs-001 | vážan |
| Srpskohrvatski | hbs-001 | znȁčājan |
| Srpskohrvatski | hbs-001 | ȍzbīljan |
| Srpskohrvatski | hbs-001 | озбиљно |
| hrvatski | hrv-000 | ozbiljan |
| magyar | hun-000 | igazán |
| magyar | hun-000 | komoly |
| magyar | hun-000 | komolyan |
| magyar | hun-000 | súlyos |
| արևելահայերեն | hye-000 | լուրջ |
| արևելահայերեն | hye-000 | լրջորեն |
| Ido | ido-000 | grava |
| bahasa Indonesia | ind-000 | berat |
| bahasa Indonesia | ind-000 | dengan sungguh-sungguh |
| íslenska | isl-000 | alvarlega |
| íslenska | isl-000 | alvarlegur |
| italiano | ita-000 | grave |
| italiano | ita-000 | seriamente |
| italiano | ita-000 | serio |
| italiano | ita-000 | sinceramente |
| italiano | ita-000 | sul serio |
| 日本語 | jpn-000 | 切実に |
| 日本語 | jpn-000 | 本気 |
| 日本語 | jpn-000 | 深刻 |
| 日本語 | jpn-000 | 真剣 |
| 日本語 | jpn-000 | 真剣に |
| 日本語 | jpn-000 | 真面目 |
| 日本語 | jpn-000 | 真面目な |
| 日本語 | jpn-000 | 真面目に |
| 日本語 | jpn-000 | 重い |
| 日本語 | jpn-000 | 重大 |
| ქართული | kat-000 | მნიშვნელოვანი |
| ქართული | kat-000 | საყურადღებო |
| ქართული | kat-000 | სერიოზული |
| ქართული | kat-000 | ღრმააზროვანი |
| 한국어 | kor-000 | 심각한 |
| 한국어 | kor-000 | 진정으로 |
| 한국어 | kor-000 | 진지하게 |
| latine | lat-000 | aventer |
| latine | lat-000 | contente |
| latine | lat-000 | gravis |
| latine | lat-000 | magnopere |
| latine | lat-000 | serio |
| latine | lat-000 | sevērus |
| Limburgs | lim-000 | serjeus |
| latviešu | lvs-000 | nopietns |
| latviešu | lvs-000 | svarīgs |
| македонски | mkd-000 | тежок |
| reo Māori | mri-000 | taumaha |
| reo Māori | mri-000 | tūpoupou |
| Nederlands | nld-000 | bona fide |
| Nederlands | nld-000 | degelijk |
| Nederlands | nld-000 | ernstig |
| Nederlands | nld-000 | in ernst |
| Nederlands | nld-000 | stemmig |
| bokmål | nob-000 | alvorlig |
| bokmål | nob-000 | seriøs |
| Novial | nov-000 | seriosi |
| Papiamentu | pap-000 | serio |
| پښتو ژبه | pbu-000 | دروند |
| polski | pol-000 | na serio |
| polski | pol-000 | poważnie |
| polski | pol-000 | poważny |
| português | por-000 | grave |
| português | por-000 | seriamente |
| português | por-000 | sinceramente |
| português | por-000 | sisudo |
| português | por-000 | sério |
| română | ron-000 | serios |
| русский | rus-000 | дельный |
| русский | rus-000 | серьёзно |
| русский | rus-000 | серьёзный |
| slovenčina | slk-000 | nebezpečne |
| español | spa-000 | en serio |
| español | spa-000 | encarecidamente |
| español | spa-000 | formal |
| español | spa-000 | seriamente |
| español | spa-000 | serio |
| español | spa-000 | sinceramente |
| shqip | sqi-000 | seriozisht |
| svenska | swe-000 | allvarlig |
| svenska | swe-000 | allvarligt |
| svenska | swe-000 | allvarsam |
| svenska | swe-000 | seriös |
| svenska | swe-000 | seriöst |
| Türkçe | tur-000 | ağırbaşlı |
| Türkçe | tur-000 | cidden |
| Türkçe | tur-000 | ciddi |
| Türkçe | tur-000 | ciddi olarak |
| українська | ukr-000 | серйозний |
| українська | ukr-000 | серйозно |
| Bahasa Malaysia | zsm-000 | serius |