Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| assiduous | diligent; persistent. |
| assiduously | (Adv.) ASSIDUOUS, diligent; persistent. |
| bullheaded | having a head like that of a bull; (figuratively) headstrong; obstinate. |
| bullheadedly | (Adv.) BULLHEADED, headstrong; obstinate. |
| bullheadedness | the state of being bullheaded. |
| camelish | like a camel, obstinate. |
| cobby | stout, obstinate. |
| contumacious | stubbornly disobedient, rebellious. |
| contumaciously | (Adv.) CONTUMACIOUS, stubbornly disobedient, rebellious. |
| contumacity | stubborn disobedience. |
| contumacy | stubborn perverseness. |
| cussed | obstinate. |
| cussedly | (Adv.) CUSSED, obstinate. |
| cussedness | the quality of being cussed. |
| difficile | (Fr.) difficult. |
| entete | (Fr.) obstinate (of a male). |
| entetee | (Fr.) obstinate (of a female). |
| hellbent | stubbornly determined. |
| importunacy | the state of being importunate. |
| importunate | stubbornly or unreasonably persistent. |
| importunately | (Adv.) IMPORTUNATE, stubbornly or unreasonably persistent. |
| obduracy | stubbornness; persistence. |
| obdurate | stubbornly persistent in wrongdoing (verb) to make obdurate, harden physically |
| obdurately | (Adv.) OBDURATE, stubbornly persistent. |
| obdure | (Obs.) to harden, obdurate. |
| obstinacy | stubbornness. |
| obstinate | stubborn. |
| obstinately | (Adv.) OBSTINATE, stubborn. |
| obstinateness | obstinacy. |
| pertinacious | stubbornly unyielding. |
| pertinaciously | (Adv.) PERTINACIOUS, stubbornly unyielding. |
| pertinacity | the quality of holding unyieldingly to a position. |
| pervicacious | very stubborn. |
| pervicacity | the state of being pervicacious, stubborn. |
| pervicacy | (Obs.) the state of being pervicacious, stubborn. |
| pigheaded | obstinate. |
| pigheadedly | (Adv.) PIGHEADED, obstinate. |
| refractorily | (Adv.) REFRACTORY, unruly, stubborn. |
| refractoriness | the state of being refractory. |
| refractory | unruly, stubborn (noun) a stubborn person |
| steadfast | firm, unwavering. |
| steadfastly | (Adv.) STEADFAST, firm, unwavering. |
| stedfast | (Obs.) of a person, a person's belief, loyalty, etc., constant, unwavering. |
| stedfastly | (Adv.) STEDFAST, constant. |
| stubborn | obstinate (verb, obs.) to be stubborn, persist |
| stubbornly | (Adv.) STUBBORN, obstinate. |
| thraward | (Scots) froward, obstinate. |
| thrawart | (Scots) froward, obstinate. |
| thrawn | (Scots) obstinate; twisted, wry. |
| thrawnly | (Adv.) THRAWN, obstinate; twisted, wry. |