- Bashkir: көтмәгәндә (kötmägändä), ҡапыл (qapıl), кинәт (kinät)
- Belarusian: ра́птам (ráptam)
- Bulgarian: неочаквано (bg) (neočakvano)
- Catalan: inesperadament
- Chinese:
- Cantonese: 竟然 (ging2 jin4), 居然 (geoi1 jin4-2)
- Mandarin: 竟然 (zh) (jìngrán), 出乎意料地 (chūhūyìliàode)
- Czech: nečekaně
- Danish: uventet
- Dutch: onverwachts (nl)
- Esperanto: neatendite
- Faroese: óvæntað
- Finnish: yllättäen (fi)
- French: surprenamment (fr)
- Galician: inesperadamente
- German: unerwartet (de), unerwarteterweise (de)
- Gothic: 𐌿𐌽𐍅𐌴𐌽𐌹𐌲𐌲𐍉 (unwēniggō)
- Greek: αναπάντεχος (el) (anapántechos)
- Hungarian: váratlanul (hu)
- Italian: inaspettatamente (it)
- Japanese: 思いがけなく (omoigakenaku), おもいがけず (ja) (omoigakezu)
- Latin: inexspectate
- Norwegian:
- Bokmål: uventet
- Nynorsk: uventa
- Plautdietsch: onverhofs
- Polish: nieoczekiwanie (pl), niespodziewanie (pl), niespodzianie (pl) (literary)
- Portuguese: inesperadamente (pt)
- Russian: неожи́данно (ru) (neožídanno)
- Sardinian:
- Gallurese Sardinian: allisumbréttu
- Spanish: inesperadamente (es), inopinadamente (es)
- Swedish: oväntat (sv), oförmodat
- Telugu: అకస్మాత్తుగా (te) (akasmāttugā)
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