| English | eng-000 |
| unfailing | |
| العربية | arb-000 | ثابت |
| Universal Networking Language | art-253 | unfailing |
| Universal Networking Language | art-253 | unfailing(icl>adj) |
| Universal Networking Language | art-253 | unfailing(icl>adj,equ>foolproof) |
| asturianu | ast-000 | infalible |
| asturianu | ast-000 | perenal |
| বাংলা | ben-000 | মোক্ষম |
| bosanski | bos-000 | nepogrešiv |
| brezhoneg | bre-000 | dihesk |
| català | cat-000 | inesgotable |
| català | cat-000 | infal·lible |
| català | cat-000 | segur |
| čeština | ces-000 | blbuvzdorný |
| čeština | ces-000 | nehynoucí |
| čeština | ces-000 | neselhávající |
| čeština | ces-000 | nevyčerpatelný |
| čeština | ces-000 | spolehlivý |
| čeština | ces-000 | trvalý |
| 普通话 | cmn-000 | 无穷尽的 |
| 普通话 | cmn-000 | 经久不衰的 |
| 國語 | cmn-001 | 可靠的 |
| 國語 | cmn-001 | 始終如一的 |
| 國語 | cmn-001 | 無窮盡的 |
| 國語 | cmn-001 | 經久不衰的 |
| Cymraeg | cym-000 | di-lyth |
| Cymraeg | cym-000 | diball |
| dansk | dan-000 | ufejlbarlig |
| Deutsch | deu-000 | unermüdlich |
| Deutsch | deu-000 | unerschöpflich |
| Deutsch | deu-000 | unfehlbar |
| Deutsch | deu-000 | unversiegbar |
| Deutsch | deu-000 | zuverlässig |
| ελληνικά | ell-000 | αδιάκοπος |
| ελληνικά | ell-000 | αδιάληπτος |
| ελληνικά | ell-000 | αδιάπτωτος |
| ελληνικά | ell-000 | αλάνθαστος |
| ελληνικά | ell-000 | αμείωτος |
| ελληνικά | ell-000 | ασφαλής |
| ελληνικά | ell-000 | μη αποτυγχάνων |
| ελληνικά | ell-000 | σίγουρος |
| English | eng-000 | accurate |
| English | eng-000 | assiduous |
| English | eng-000 | believable |
| English | eng-000 | bulletproof |
| English | eng-000 | certain |
| English | eng-000 | constant |
| English | eng-000 | convincing |
| English | eng-000 | credible |
| English | eng-000 | dependable |
| English | eng-000 | devoted |
| English | eng-000 | dogged |
| English | eng-000 | durable |
| English | eng-000 | endless |
| English | eng-000 | ethical |
| English | eng-000 | exact |
| English | eng-000 | exempt from decay |
| English | eng-000 | faultless |
| English | eng-000 | firm |
| English | eng-000 | foolproof |
| English | eng-000 | honest |
| English | eng-000 | honorable |
| English | eng-000 | imperishable |
| English | eng-000 | impregnable |
| English | eng-000 | inexhaustible |
| English | eng-000 | infallible |
| English | eng-000 | irreducible |
| English | eng-000 | kosher |
| English | eng-000 | limitless |
| English | eng-000 | not false |
| English | eng-000 | not transient |
| English | eng-000 | perfect |
| English | eng-000 | permanent |
| English | eng-000 | persistent |
| English | eng-000 | principled |
| English | eng-000 | proof |
| English | eng-000 | reaching the mark |
| English | eng-000 | reliable |
| English | eng-000 | responsible |
| English | eng-000 | righteous |
| English | eng-000 | safe |
| English | eng-000 | safety |
| English | eng-000 | secure |
| English | eng-000 | sensible |
| English | eng-000 | steady |
| English | eng-000 | straight |
| English | eng-000 | sure |
| English | eng-000 | sure-fire |
| English | eng-000 | tireless |
| English | eng-000 | trouble-free |
| English | eng-000 | true |
| English | eng-000 | trustable |
| English | eng-000 | trustworthy |
| English | eng-000 | trusty |
| English | eng-000 | truthful |
| English | eng-000 | unabated |
| English | eng-000 | unbounded |
| English | eng-000 | undecayed |
| English | eng-000 | undecaying |
| English | eng-000 | undeviating |
| English | eng-000 | undiminished |
| English | eng-000 | undying |
| English | eng-000 | unerring |
| English | eng-000 | unexhausted |
| English | eng-000 | unfaltering |
| English | eng-000 | unflagging |
| English | eng-000 | unimpaired |
| English | eng-000 | uniniured |
| English | eng-000 | unshakable |
| English | eng-000 | unswerving |
| English | eng-000 | untiring |
| English | eng-000 | unwavering |
| Esperanto | epo-000 | neelĉerpebla |
| Esperanto | epo-000 | neerarema |
| euskara | eus-000 | agorrezin |
| euskara | eus-000 | etengabe |
| euskara | eus-000 | hutsezin |
| euskara | eus-000 | hutsik gabe |
| suomi | fin-000 | ehtymätön |
| suomi | fin-000 | erehtymätön |
| suomi | fin-000 | horjumaton |
| suomi | fin-000 | idioottivarma |
| suomi | fin-000 | luotettava |
| suomi | fin-000 | pettämätön |
| suomi | fin-000 | uskollinen |
| français | fra-000 | constant |
| français | fra-000 | correct |
| français | fra-000 | infaillible |
| français | fra-000 | intarissable |
| français | fra-000 | inébranlable |
| français | fra-000 | inépuisable |
| français | fra-000 | sûr |
| Gaeilge | gle-000 | daingean |
| yn Ghaelg | glv-000 | gyn failleil |
| yn Ghaelg | glv-000 | gyn traih |
| yn Ghaelg | glv-000 | kinjagh |
| ἑλληνικὴ γλῶττα | grc-000 | ἀνέκλειπτος |
| Hiligaynon | hil-000 | dimagsayop |
| हिन्दी | hin-000 | अक्षय |
| हिन्दी | hin-000 | अचूक |
| हिन्दी | hin-000 | अविरत |
| hiMxI | hin-004 | ananwa |
| hrvatski | hrv-000 | koji neće zakazati |
| hrvatski | hrv-000 | koji nikad ne zataji |
| hrvatski | hrv-000 | neiscrpan |
| hrvatski | hrv-000 | nepogrešiv |
| hrvatski | hrv-000 | nepogrješiv |
| hrvatski | hrv-000 | nepresušan |
| hrvatski | hrv-000 | pouzdan |
| hrvatski | hrv-000 | siguran |
| hrvatski | hrv-000 | vjeran |
| magyar | hun-000 | biztos |
| magyar | hun-000 | bőséges |
| magyar | hun-000 | csalatkozhatatlan |
| magyar | hun-000 | csalhatatlan |
| magyar | hun-000 | hiánytalan |
| magyar | hun-000 | hűséges |
| magyar | hun-000 | kiapadhatatlan |
| magyar | hun-000 | kifogyhatatlan |
| magyar | hun-000 | kimeríthetetlen |
| magyar | hun-000 | tévedhetetlen |
| արևելահայերեն | hye-000 | անսխալ |
| արևելահայերեն | hye-000 | անսխալական |
| արևելահայերեն | hye-000 | անսպառ |
| արևելահայերեն | hye-000 | անվրեպ |
| արևելահայերեն | hye-000 | անփոփոխ |
| արևելահայերեն | hye-000 | հավատարիմ |
| արևելահայերեն | hye-000 | նվիրված |
| Interlingue | ile-000 | constant |
| Interlingue | ile-000 | ínfallibil |
| interlingua | ina-000 | constante |
| interlingua | ina-000 | inexhauribile |
| interlingua | ina-000 | infallibile |
| bahasa Indonesia | ind-000 | manjur |
| íslenska | isl-000 | óskeikull |
| italiano | ita-000 | attendibile |
| italiano | ita-000 | attendìbile |
| italiano | ita-000 | immancabile |
| italiano | ita-000 | inesauribile |
| italiano | ita-000 | infallibile |
| italiano | ita-000 | senza errori |
| 日本語 | jpn-000 | 尽きない |
| 日本語 | jpn-000 | 尽きることのない |
| 日本語 | jpn-000 | 百発百中の |
| 日本語 | jpn-000 | 確か |
| にほんご | jpn-002 | つきない |
| にほんご | jpn-002 | つきることのない |
| にほんご | jpn-002 | ひゃっぱつひゃくちゅうの |
| ქართული | kat-000 | საიმედო |
| ქართული | kat-000 | ულეველი |
| ქართული | kat-000 | ულევი |
| కోయ్బాస | kff-001 | తప్పొ |
| монгол | khk-000 | алдахгүй |
| монгол | khk-000 | осолдохгүй |
| монгол | khk-000 | үнэнч |
| Kurmancî | kmr-000 | pêbawer |
| Kurmancî | kmr-000 | sadiq |
| Kurmancî | kmr-000 | wefadar |
| 한국어 | kor-000 | 다함 없는 |
| 한국어 | kor-000 | 반드시 일어나는 |
| 한국어 | kor-000 | 아귀센 |
| 한국어 | kor-000 | 전혀 오류가 없는 |
| 한국어 | kor-000 | 절대 확실한 |
| 한국어 | kor-000 | 절대적으로 확실한 |
| 한국어 | kor-000 | 지칠줄 모르는 |
| 한국어 | kor-000 | 틀리는 일이 없는 |
| मराठी | mar-000 | खात्रीचे |
| Tâi-gí | nan-003 | khó-khò ĕ |
| Nederlands | nld-000 | onfeilbaar |
| Nederlands | nld-000 | onuitputtelijk |
| Nederlands | nld-000 | zeker |
| bokmål | nob-000 | sikker |
| bokmål | nob-000 | ufeilbarlig |
| bokmål | nob-000 | usvikelig |
| فارسی | pes-000 | حتمی الوقوع |
| polski | pol-000 | niechybny |
| polski | pol-000 | nieomylny |
| polski | pol-000 | nieprzebrany |
| polski | pol-000 | niepłonny |
| polski | pol-000 | niewyczerpany |
| polski | pol-000 | niezawodny |
| português | por-000 | indefectível |
| português | por-000 | inesgotável |
| português | por-000 | infalível |
| português | por-000 | à prova de erros |
| português | por-000 | à prova de falhas |
| română | ron-000 | infailibil |
| русский | rus-000 | бездефектный |
| русский | rus-000 | безотказный |
| русский | rus-000 | безошибочный |
| русский | rus-000 | верный |
| русский | rus-000 | надежный |
| русский | rus-000 | надёжный |
| русский | rus-000 | неизменный |
| русский | rus-000 | неисчерпаемый |
| संस्कृतम् | san-000 | अक्षय |
| संस्कृतम् | san-000 | अक्षित |
| संस्कृतम् | san-000 | अनपायिन् |
| संस्कृतम् | san-000 | अमोघ |
| संस्कृतम् | san-000 | अविसंवादिन् |
| slovenčina | slk-000 | neomylný |
| slovenčina | slk-000 | nevyčerpateľný |
| slovenčina | slk-000 | spoľahlivý |
| slovenčina | slk-000 | stály |
| slovenčina | slk-000 | verný |
| español | spa-000 | a toda prueba |
| español | spa-000 | auténtico |
| español | spa-000 | certero |
| español | spa-000 | cierto |
| español | spa-000 | inagotable |
| español | spa-000 | indefectibl |
| español | spa-000 | indefectible |
| español | spa-000 | infalible |
| español | spa-000 | seguro |
| srpski | srp-001 | neiscrpan |
| srpski | srp-001 | nepogrešiv |
| svenska | swe-000 | ofelbar |
| svenska | swe-000 | osviklig |
| తెలుగు | tel-000 | తప్పని |
| తెలుగు | tel-000 | తిరుగులేని |
| ภาษาไทย | tha-000 | บุคคลที่ถูกตลอด |
| ภาษาไทย | tha-000 | บุคคลที่ไม่ทำผิดพลาด |
| ภาษาไทย | tha-000 | สิ่งที่ถูกต้องตลอด |
| ภาษาไทย | tha-000 | เชื่อถือได้ตลอด |
| ภาษาไทย | tha-000 | เที่ยงตรง |
| ภาษาไทย | tha-000 | แน่นอนที่สุด |
| ภาษาไทย | tha-000 | แม่นยํา |
| ภาษาไทย | tha-000 | ใช้ไม่หมด |
| ภาษาไทย | tha-000 | ไม่คลาดเคลื่อน |
| ภาษาไทย | tha-000 | ไม่ทำผิดพลาด |
| ภาษาไทย | tha-000 | ไม่ท้อถอย |
| ภาษาไทย | tha-000 | ไม่ท้อใจ |
| ภาษาไทย | tha-000 | ไม่ทําให้ผิดหวังโดยตลอด |
| ภาษาไทย | tha-000 | ไม่ผิดพลาด |
| ภาษาไทย | tha-000 | ไม่มีขาด |
| ภาษาไทย | tha-000 | ไม่ยุต |
| ภาษาไทย | tha-000 | ไม่ย่อท้อ |
| ภาษาไทย | tha-000 | ไม่รู้จักผิดพลาด |
| ภาษาไทย | tha-000 | ไม่รู้จักหมด |
| ภาษาไทย | tha-000 | ไม่รู้จักเหนื่อย |
| ภาษาไทย | tha-000 | ไม่สิ้นสุด |
| ภาษาไทย | tha-000 | ไม่อ่อนแรง |
| ภาษาไทย | tha-000 | ไม่เคยพลาด |
| ภาษาไทย | tha-000 | ไม่เปลี่ยนแปลง |
| Türkçe | tur-000 | bitip tükenmez |
| Türkçe | tur-000 | gevşemeyen |
| Türkçe | tur-000 | güvenilir |
| Türkçe | tur-000 | muhakkak |
| Türkçe | tur-000 | sadakatli |
| Türkçe | tur-000 | tükenmez |
| Türkçe | tur-000 | yanılmaz |
| Türkçe | tur-000 | yorulmaz |
| Türkçe | tur-000 | zayıflamayan |
| Türkçe | tur-000 | şaşmaz |
| українська | ukr-000 | непогрішний |
| اردو | urd-000 | قابل اعتماد |
| اردو | urd-000 | مدام |
| اردو | urd-000 | نہایت وفادار |
| اردو | urd-000 | یقینی |
| tiếng Việt | vie-000 | chắc chắn |
| tiếng Việt | vie-000 | công hiệu |
| tiếng Việt | vie-000 | không bao giờ cạn |
| tiếng Việt | vie-000 | không bao giờ hết |
| tiếng Việt | vie-000 | không bao giờ sai |
| గోండీ | wsg-000 | తప్పొ |