Definition of casualness in US English:

casualness

noun

  • See casual

    • ‘‘There's a casualness and trust about the lifestyle that you can't get in the city,’ Mr Neilson says.’
    • ‘My utter casualness about the situation has been surprising.’
    • ‘The work has the casualness of a sketch on a workshop wall and the artist has the aesthetic appreciation to understand when such things can be beautiful.’
    • ‘But when he moved up to the top level, international level, these moments of casualness were punished.’
    • ‘It's easy to be perceived as unprofessional based on the casualness of one's attire.’

Pronunciation

casualness

/ˈkaZH(əw)əlnəs/