| Gaeilge | gle-000 |
| dáiríre | |
| العربية | arb-000 | جَادّ |
| العربية | arb-000 | جَدِّي |
| العربية | arb-000 | جَدِّيّ |
| башҡорт теле | bak-000 | етди |
| беларуская | bel-000 | сур'ёзны |
| български | bul-000 | сериозен |
| català | cat-000 | seriós |
| čeština | ces-000 | vážný |
| 普通话 | cmn-000 | 严重 |
| 普通话 | cmn-000 | 沉重 |
| 普通话 | cmn-000 | 认真 |
| 國語 | cmn-001 | 嚴重 |
| 國語 | cmn-001 | 沉重 |
| 國語 | cmn-001 | 認真 |
| Cymraeg | cym-000 | o ddifri' |
| Deutsch | deu-000 | aufrichtig |
| Deutsch | deu-000 | ernst |
| Deutsch | deu-000 | ernsthaft |
| ελληνικά | ell-000 | σοβαρός |
| English | eng-000 | earnest |
| English | eng-000 | serious |
| English | eng-000 | truly |
| suomi | fin-000 | vakava |
| français | fra-000 | sérieux |
| Gàidhlig | gla-000 | aon-fhillteach |
| Gaeilge | gle-000 | ar fad |
| Gaeilge | gle-000 | ar ndóigh |
| Gaeilge | gle-000 | caoindúthrachtach |
| Gaeilge | gle-000 | ceart |
| Gaeilge | gle-000 | cheana |
| Gaeilge | gle-000 | cneasta |
| Gaeilge | gle-000 | dlúth |
| Gaeilge | gle-000 | domhain |
| Gaeilge | gle-000 | dáiríreacht |
| Gaeilge | gle-000 | dícheallach |
| Gaeilge | gle-000 | dílis |
| Gaeilge | gle-000 | díograiseach |
| Gaeilge | gle-000 | dúlaí |
| Gaeilge | gle-000 | dúthrachtach |
| Gaeilge | gle-000 | follasach |
| Gaeilge | gle-000 | féin |
| Gaeilge | gle-000 | fíor |
| Gaeilge | gle-000 | fírinneach |
| Gaeilge | gle-000 | fíréanta |
| Gaeilge | gle-000 | gan bhréag |
| Gaeilge | gle-000 | go cinnte |
| Gaeilge | gle-000 | go dearfa |
| Gaeilge | gle-000 | go deimhin |
| Gaeilge | gle-000 | go díreach |
| Gaeilge | gle-000 | go fíor |
| Gaeilge | gle-000 | go fírinneach |
| Gaeilge | gle-000 | go léir |
| Gaeilge | gle-000 | i ndáiríre |
| Gaeilge | gle-000 | iaramh |
| Gaeilge | gle-000 | inláimhsithe |
| Gaeilge | gle-000 | iomorra |
| Gaeilge | gle-000 | ionraic |
| Gaeilge | gle-000 | leoga |
| Gaeilge | gle-000 | macánta |
| Gaeilge | gle-000 | nádúrtha |
| Gaeilge | gle-000 | praiticiúil |
| Gaeilge | gle-000 | simplí |
| Gaeilge | gle-000 | soineanta |
| Gaeilge | gle-000 | tinneasnach |
| Gaeilge | gle-000 | ó chroí |
| yn Ghaelg | glv-000 | dy jarroo |
| yn Ghaelg | glv-000 | firrinagh |
| yn Ghaelg | glv-000 | jeeanid |
| Srpskohrvatski | hbs-001 | vážan |
| Srpskohrvatski | hbs-001 | znȁčājan |
| Srpskohrvatski | hbs-001 | ȍzbīljan |
| magyar | hun-000 | komoly |
| magyar | hun-000 | súlyos |
| արևելահայերեն | hye-000 | լուրջ |
| italiano | ita-000 | grave |
| italiano | ita-000 | serio |
| 日本語 | jpn-000 | 本気 |
| 日本語 | jpn-000 | 真剣 |
| 日本語 | jpn-000 | 真面目 |
| 한국어 | kor-000 | 심각한 |
| latviešu | lvs-000 | nopietns |
| Nederlands | nld-000 | ernstig |
| Nederlands | nld-000 | serieus |
| português | por-000 | sincero |
| português | por-000 | sério |
| русский | rus-000 | всерьез |
| русский | rus-000 | серьезный |
| русский | rus-000 | серьёзный |
| español | spa-000 | serio |
| svenska | swe-000 | seriös |
| Türkçe | tur-000 | ciddi |
| українська | ukr-000 | серйозний |