- Arabic: مُتَهَوِّر (mutahawwir)
- Armenian: անխոհեմ (hy) (anxohem), անշրջահայաց (hy) (anšrǰahayacʿ)
- Belarusian: неразва́жны (njerazvážny), безразва́жны (bjezrazvážny), бязглу́зды (bjazhlúzdy), шалёны (šaljóny), легкаду́мны (ljehkadúmny)
- Bulgarian: безразсъ́ден (bg) (bezrazsǎ́den), необми́слен (bg) (neobmíslen)
- Catalan: imprudent
- Cherokee: ᏄᏁᎸᎾ (nunelvna)
- Chinese:
- Hokkien: 魯莽/鲁莽 (ló͘-bóng)
- Mandarin: 魯莽/鲁莽 (zh) (lǔmǎng), 愣頭愣腦/愣头愣脑 (zh) (lèngtóulèngnǎo), 毛頭毛腦/毛头毛脑 (zh) (máotóumáonǎo)
- Czech: bezohledný (cs), bezstarostný, lehkomyslný
- Danish: skødesløs, ubetænksom
- Dutch: roekeloos (nl)
- Esperanto: temerara
- Estonian: please add this translation if you can
- Finnish: harkitsematon (fi), holtiton (fi)
- French: irresponsable (fr), insouciant (fr)
- Galician: imprudente (gl)
- Georgian: წინდაუხედავი (c̣indauxedavi), თავზეხელაღებული (tavzexelaɣebuli), დაუდევარი (daudevari), გაუფრთხილებელი (gauprtxilebeli)
- German: waghalsig (de), unverantwortlich (de), unbekümmert (de), leichtsinnig (de), leichtfertig (de)
- Gothic: 𐌿𐌽𐍄𐌹𐌻𐌰𐌼𐌰𐌻𐍃𐌺𐍃 (untilamalsks)
- Greek: απερίσκεπτος (el) (aperískeptos)
- Ancient: ἰταμός (itamós), προπετής (propetḗs)
- Hebrew: רַשְׁלָן m (rashlán)
- Hungarian: vakmerő (hu)
- Icelandic: please add this translation if you can
- Ido: temerara (io)
- Indonesian: sembrono (id)
- Irish: ráscánta, meargánta, neamhchúramach
- Italian: avventato (it)
- Japanese: 無謀 (ja) (むぼう, mubō), 無知 (ja) (むち, muchi)
- Khmer: (please verify) មិនប្រយ័ត្នប្រយែង (mɨn prɑyat prɑyɛɛŋ)
- Korean: 무모하다 (mumohada)
- Latin: incautus
- Latvian: neapdomīgs, pārsteidzīgs
- Lithuanian: please add this translation if you can
- Macedonian: безра́суден (bezrásuden), нео́бмислен (neóbmislen)
- Maori: totoa
- Mirandese: please add this translation if you can
- Norwegian: hensynsløs
- Occitan: irresponsable, imprudent
- Old Norse: órǿkinn, ósvífr
- Plautdietsch: onbekjemmat
- Polish: lekkomyślny (pl), nierozważny (pl)
- Portuguese: imprudente (pt)
- Romanian: nesăbuit (ro), nechibzuit (ro), imprudent (ro)
- Russian: безрассу́дный (ru) (bezrassúdnyj), опроме́тчивый (ru) (oprométčivyj), бесшаба́шный (ru) (besšabášnyj), безу́мный (ru) (bezúmnyj)
- Scottish Gaelic: coma
- Slovak: bezohľadný, bezstarostný, ľahkomyseľný, ľahkovážny
- Slovene: nepazljiv, lahkomiseln, nepremišljen
- Spanish: imprudente (es)
- Swedish: obetänksam (sv)
- Turkish: umursamaz (tr), kayıtsız (tr), ihtiyatsız (tr)
- Ukrainian: безрозсу́дний (uk) (bezrozsúdnyj), нерозсу́дливий (nerozsúdlyvyj), нерозва́жний (nerozvážnyj), необа́чний (neobáčnyj), безглу́здий (uk) (bezhlúzdyj), легкоду́мний (lehkodúmnyj)
- Vietnamese: bất cẩn
- Volapük: please add this translation if you can
- Welsh: anystyriol (cy), di-hid (cy), rhyfygus (cy)
- Yiddish: please add this translation if you can
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