unequivocally

US /ˌʌn.ɪˈkwɪv.ə.kəl.i/
UK /ˌʌn.ɪˈkwɪv.ə.kəl.i/
1.

dứt khoát

in a way that is total, or expressed very clearly with no doubt:

:
She unequivocally denied the allegations.