Definition of masterfulness in US English:

masterfulness

noun

  • See masterful

    • ‘He was a more attractive character than any of the Norman kings - but he lacked their masterfulness.’
    • ‘And as they move from their audacious overture through sombre ballads, Motown-inflected rock-outs and further Velvetesque anthems, the band's masterfulness becomes more and more apparent.’
    • ‘And I think you can see the benefits of it in the quality, the masterfulness, of Linda.’

Pronunciation

masterfulness

/ˈmastərfəlnəs//ˈmæstərfəlnəs/