forcefulness
Definitions
The quality of being powerful, vigorous, or effective in expression or action.
The state or quality of exerting great physical strength or intensity.
Examples
The forcefulness of her argument convinced the board to reconsider their decision.
He spoke with such forcefulness that the entire room fell silent.
Synonyms
assertiveness vigor intensity potency drive vehemence dynamism
Antonyms
passivity weakness timidity lethargy submissiveness frailty indecision