| italiano | ita-000 |
| indefettibile | |
| العربية | arb-000 | غير معيب |
| asturianu | ast-000 | acertáu |
| asturianu | ast-000 | certeru |
| български | bul-000 | безгрешен |
| čeština | ces-000 | nepomíjivý |
| čeština | ces-000 | robustně navržený |
| čeština | ces-000 | stálý |
| Deutsch | deu-000 | idiotensicher |
| Deutsch | deu-000 | kinderleicht |
| Deutsch | deu-000 | narrensicher |
| English | eng-000 | fail-safe |
| English | eng-000 | indefectible |
| English | eng-000 | unerring |
| Esperanto | epo-000 | malfuŝebla |
| euskara | eus-000 | hutsik_gabe |
| suomi | fin-000 | erehtymätön |
| suomi | fin-000 | idioottivarma |
| français | fra-000 | indéfectible |
| français | fra-000 | à toute épreuve |
| hiMxI | hin-004 | acUka |
| magyar | hun-000 | üzembiztos |
| interlingua | ina-000 | indefectibile |
| interlingua | ina-000 | inerrante |
| bahasa Indonesia | ind-000 | sangat mudah |
| íslenska | isl-000 | pottþéttur |
| italiano | ita-000 | facile come bere un uovo |
| bokmål | nob-000 | idiotsikker |
| occitan | oci-000 | precís |
| português | por-000 | à prova de erros |
| português | por-000 | à prova de falhas |
| română | ron-000 | cert |
| română | ron-000 | infailibil |
| español | spa-000 | incansable |
| español | spa-000 | indefectible |
| svenska | swe-000 | idiotsäker |
| Kiswahili | swh-000 | -sio na hitilafu |
| Kiswahili | swh-000 | -siokosa |
| ภาษาไทย | tha-000 | ไม่มีการล้มเหลว |
| ภาษาไทย | tha-000 | ไม่มีอันตราย |
| українська | ukr-000 | безпечний |