| Nederlands | nld-000 |
| verstokt | |
| català | cat-000 | obstinat |
| Deutsch | deu-000 | eigensinnig |
| Deutsch | deu-000 | halsstarrig |
| Deutsch | deu-000 | hartnäckig |
| Deutsch | deu-000 | starrköpfig |
| Deutsch | deu-000 | starrsinnig |
| Deutsch | deu-000 | stur |
| Deutsch | deu-000 | trotzig |
| English | eng-000 | case-hardened |
| English | eng-000 | confirmed |
| English | eng-000 | dogged |
| English | eng-000 | double-dyed |
| English | eng-000 | headstrong |
| English | eng-000 | impenitent |
| English | eng-000 | ingrained |
| English | eng-000 | inveterate |
| English | eng-000 | irreclaimable |
| English | eng-000 | obdurate |
| English | eng-000 | obstinate |
| English | eng-000 | old |
| English | eng-000 | seasoned |
| English | eng-000 | stubborn |
| English | eng-000 | unrepentant |
| English | eng-000 | wilful |
| Esperanto | epo-000 | obstina |
| føroyskt | fao-000 | treiskur |
| suomi | fin-000 | itsepäinen |
| français | fra-000 | invétéré |
| français | fra-000 | obstiné |
| français | fra-000 | tenace |
| français | fra-000 | têtu |
| Ido | ido-000 | obstinanta |
| italiano | ita-000 | ostinato |
| Nederlands | nld-000 | halsstarrig |
| Nederlands | nld-000 | hardnekkig |
| Nederlands | nld-000 | ingeworteld |
| Nederlands | nld-000 | koppig |
| Nederlands | nld-000 | stijfhoofdig |
| Nederlands | nld-000 | verankert |
| Nederlands | nld-000 | verbeten |
| português | por-000 | birrento |
| português | por-000 | obstinado |
| português | por-000 | teimoso |
| español | spa-000 | acérrimo |
| español | spa-000 | terco |
| español | spa-000 | tozudo |