Antonyms of noun powerfulness

1 sense of powerfulness

Sense 1
power, powerfulness -- (possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade")
       Antonym of powerlessness (Sense 1)
      => powerlessness, impotence, impotency -- (the quality of lacking strength or power; being weak and feeble)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun powerfulness

1 sense of powerfulness

Sense 1
power, powerfulness -- (possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade")
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)