Definition of disdainfulness in US English:

disdainfulness

noun

  • See disdainful

    • ‘Exasperation can be heard, adding to the disdainfulness of the air.’
    • ‘Then and now, as each new colorant appears, it ranges from rapid embracement to disdainfulness.’
    • ‘Regardless of the disdainfulness of Hollywood and it's torments… she always kept that beautiful smile.’
    • ‘There's an implicit disdainfulness about connecting with noneconomists on any terms other than our own.’
    • ‘We've probably been marked down as party-poopers though, and will be treated with appropriate disdainfulness at the school gates on Monday.’