irrefutably

🇺🇸 /ˌɪrɪˈfjuːtəbli/ 🇬🇧 /ˌɪrɪˈfjuːtəbli/
Frequency
Difficulty
Tags RARE
adverb
R

completely and undeniably true

The scientist presented irrefutably that the new vaccine was safe and effective.

translation

adv. completely and undeniably true