forcefulness

US /ˈfɔːrs.fəl.nəs/
UK /ˈfɔːrs.fəl.nəs/
"forcefulness" picture
1.

力強さ, 説得力, 強硬さ

the quality of being strong, assertive, or effective in action or expression

:
The forcefulness of his argument convinced everyone.
彼の議論の説得力は皆を納得させた。
She spoke with great forcefulness, leaving no room for doubt.
彼女は非常に力強く話し、疑いの余地を残さなかった。