unpersuadable
/ʌnpəˈsweɪdəb(ə)l
/adjective
Not able to be persuaded; obstinate: he’s absolutely unpersuadable on the subject of travel...
- Even so, the Home Counties retired colonels and blue-rinse cake-bakers are proving unpersuadable.
- All the others were converted but I was to remain an implacable and unpersuadable disbeliever in mesmerism and hypnotism for close upon fifty years.
- Unfortunately, they seemed to be unpersuadable about our concerns.