| Nederlands | nld-000 |
| halsstarrig | |
| asturianu | ast-000 | refractariu |
| català | cat-000 | obstinat |
| català | cat-000 | refractari |
| čeština | ces-000 | vzdorovitý |
| dansk | dan-000 | trodsig |
| Deutsch | deu-000 | eigensinnig |
| Deutsch | deu-000 | fest |
| Deutsch | deu-000 | halsstarrig |
| Deutsch | deu-000 | hartnäckig |
| Deutsch | deu-000 | standhaft |
| Deutsch | deu-000 | starrköpfig |
| Deutsch | deu-000 | starrsinnig |
| Deutsch | deu-000 | stur |
| Deutsch | deu-000 | trotzig |
| Deutsch | deu-000 | unbeugsam |
| ελληνικά | ell-000 | αδιάλλακτος |
| ελληνικά | ell-000 | αδυσώπητος |
| ελληνικά | ell-000 | ανυπότακτος |
| ελληνικά | ell-000 | ατίθασος |
| ελληνικά | ell-000 | δυσίατος |
| ελληνικά | ell-000 | δυσκατέργαστος |
| ελληνικά | ell-000 | δυσκολογιάτρευτος |
| ελληνικά | ell-000 | δύστηκτος |
| English | eng-000 | callous |
| English | eng-000 | dogged |
| English | eng-000 | hard-line |
| English | eng-000 | headstrong |
| English | eng-000 | inexorable |
| English | eng-000 | intransigent |
| English | eng-000 | inveterate |
| English | eng-000 | merciless |
| English | eng-000 | obdurate |
| English | eng-000 | obstinate |
| English | eng-000 | pervicacious |
| English | eng-000 | pitiless |
| English | eng-000 | refractory |
| English | eng-000 | relentless |
| English | eng-000 | ruthless |
| English | eng-000 | stiff-necked |
| English | eng-000 | stubborn |
| English | eng-000 | stubbornly |
| English | eng-000 | tenaciously |
| English | eng-000 | uncompromising |
| English | eng-000 | wilful |
| English | eng-000 | willful |
| Esperanto | epo-000 | malcedema |
| Esperanto | epo-000 | obstina |
| Esperanto | epo-000 | senkompata |
| føroyskt | fao-000 | treiskur |
| suomi | fin-000 | itsepintainen |
| suomi | fin-000 | itsepäinen |
| suomi | fin-000 | kuumuudenkestävä |
| suomi | fin-000 | omapäinen |
| suomi | fin-000 | refraktaarinen |
| suomi | fin-000 | refraktorinen |
| français | fra-000 | entêté |
| français | fra-000 | impitoyable |
| français | fra-000 | insoumis |
| français | fra-000 | obstiné |
| français | fra-000 | opiniâtre |
| français | fra-000 | réfractaire |
| français | fra-000 | tenace |
| français | fra-000 | têtu |
| Srpskohrvatski | hbs-001 | refrakteran |
| Srpskohrvatski | hbs-001 | tvrdokoran |
| hiMxI | hin-004 | haTIlA |
| Ido | ido-000 | obstinanta |
| italiano | ita-000 | ostinato |
| italiano | ita-000 | pertinace |
| italiano | ita-000 | refrattaria |
| italiano | ita-000 | refrattario |
| reo Māori | mri-000 | tīhoi |
| reo Māori | mri-000 | tīhoihoi |
| Nederlands | nld-000 | hard |
| Nederlands | nld-000 | hardnekkig |
| Nederlands | nld-000 | hardvochtig |
| Nederlands | nld-000 | koppig |
| Nederlands | nld-000 | meedogenloos |
| Nederlands | nld-000 | onbarmhartig |
| Nederlands | nld-000 | onbuigzaam |
| Nederlands | nld-000 | star |
| Nederlands | nld-000 | stijfhoofdig |
| Nederlands | nld-000 | verbeten |
| Nederlands | nld-000 | verstokt |
| Nederlands | nld-000 | volhoudend |
| Nederlands | nld-000 | weerbarstig |
| português | por-000 | birrento |
| português | por-000 | cabeçudo |
| português | por-000 | inflexível |
| português | por-000 | intransigente |
| português | por-000 | obstinado |
| português | por-000 | teimoso |
| slovenčina | slk-000 | refrakčný |
| slovenčina | slk-000 | vzdorný |
| slovenčina | slk-000 | vzdorovitý |
| slovenčina | slk-000 | šamotový |
| español | spa-000 | acérrimo |
| español | spa-000 | cabezón |
| español | spa-000 | refractario |
| español | spa-000 | terco |
| español | spa-000 | tozudo |
| svenska | swe-000 | motspänstig |
| ภาษาไทย | tha-000 | ดื้อยา |
| ภาษาไทย | tha-000 | ต้านโรค |
| ภาษาไทย | tha-000 | รักษายาก |
| ภาษาไทย | tha-000 | หลอมยาก |
| Türkçe | tur-000 | amansız |
| Türkçe | tur-000 | kolay işlenemez |
| Türkçe | tur-000 | tedavisi güç |
| Türkçe | tur-000 | ısıya dayanıklı |