Translations: the word in the other languages
- Afrikaans: onfeilbaar
- Amharic: foolproof
- Arabic: مضمونة
- Azerbaijani: etibarlı
- Bashkir: ышаныслы
- Belarusian: надзейны
- Bulgarian: надежден
- Bengali: অব্যর্থ
- Bosnian: neprobojno
- Catalan: prova de bomba
- Cebuano: masayop
- Czech: spolehlivý
- Welsh: foolproof
- Danish: idiotsikker
- German: narrensicher
- Greek: αλάνθαστο
- Esperanto: neerarema
- Spanish: a prueba de tontos
- Estonian: lollikindel
- Basque: menderaezinak
- Persian: ادم
- Finnish: idioottivarma
- French: infaillible
- Irish: foolproof
- Scottish Gaelic: foolproof
- Galician: infalible
- Gujarati: સચોટ
- Hebrew: תקלות
- Hindi: आसान
- Croatian: pouzdan
- Haitian: enfayibl
- Hungarian: üzembiztos
- Armenian: հուսալի
- Indonesian: sangat mudah
- Icelandic: pottþéttur
- Italian: infallibile
- Japanese: foolproof
- Javanese: foolproof
- Georgian: foolproof
- Kazakh: сенімді
- Khmer: ញ្ជាំង
- Kannada: ಫೂಲ್ಫ್ರೂಫ್
- Korean: 안전
- Kyrgyz: ишенимдүү
- Latin: foolproof
- Luxembourgish: narrensicher
- Lao: ເຂົ້າໃຈຜິດ
- Lithuanian: patikimas
- Latvian: vienkāršs
- Malagasy: foolproof
- Mari: ӱшанле
- Maori: rerekētanga
- Macedonian: сигурниот
- Malayalam: തിലകം
- Mongolian: foolproof
- Marathi: सोपे
- Hill Mari: ӹнян
- Malay: sangat mudah
- Maltese: foolproof
- Burmese: မွီ
- Nepali: foolproof
- Dutch: waterdicht
- Norwegian: idiotsikker
- Punjabi: ਮੁਕੰਮਲ
- Papiamento: na prueba di santos
- Polish: niezawodny
- Portuguese: à prova de falhas
- Romanian: foarte simplu de manevrat
- Russian: надежный
- Sinhalese: තම නඩුවේ සාධක ඔප්පු කිරීමට
- Slovak: spoľahlivý
- Slovenian: popolnoma varen
- Albanian: e sigurt
- Serbian: поуздан
- Sundanese: foolproof
- Swedish: idiotsäker
- Swahili: foolproof
- Tamil: பிழையேற்படுத்தாத
- Telugu: ఫూల్ప్రూఫ్
- Tajik: боэътимод
- Thai: foolproof
- Tagalog: walang palya
- Turkish: kusursuz
- Tatar: ышанычлы
- Udmurt: осконо
- Ukrainian: надійний
- Urdu: فول پروف
- Uzbek: ishonchli
- Vietnamese: cao độ
- Xhosa: foolproof
- Yiddish: פאָאָלפּראָאָף
- Chinese: 万无一失
Synonyms, close and similar words for foolproof
- safe
- secure
- reliable
- dependable
- unfailing