incontrovertibly
US /ɪnˌkɑːn.trəˈvɝː.t̬ə.bli/
UK /ɪnˌkɑːn.trəˈvɝː.t̬ə.bli/

1.
incontestablement, indiscutablement
in a way that is impossible to deny or disprove
:
•
The evidence incontrovertibly proved his guilt.
Les preuves ont incontestablement prouvé sa culpabilité.
•
Her talent is incontrovertibly clear.
Son talent est incontestablement clair.