unbribable
/ˌʌnˈbrʌɪəbəl/Definitions
1. adjective
Impossible or unlikely to be bribed
“The politician’s unbribable stance on the corruption bill made her a hero among the public.”
2. adjective
Not capable of being bribed
“The new, unbribable judges were appointed to oversee the high-profile case.”
3. adjective
Unwilling to be influenced by bribes or other forms of corruption
“The unbribable journalist exposed the scandal, despite facing intense pressure to remain silent.”