importunity

US /ˌɪm.pɔːrˈtuː.nə.t̬i/
UK /ˌɪm.pɔːrˈtuː.nə.t̬i/
1.

sự miễn trừ

the quality of repeatedly asking for something, in a forceful and annoying way:

:
With increasing importunity, they demanded political power to match their economic power.