Definition of properness in US English:

properness

noun

  • See proper

    • ‘And as your husband, I will expect respect, decorum, and properness a woman is supposed to display.’
    • ‘It's tacky and seedy, but it's got these pretensions to properness - seaside landladies and all that stuff.’
    • ‘Over the past month that they had been married, she'd learned the hard way what the rules of properness were, especially for married women.’
    • ‘The woman across the table was just as fearful, but kept herself under a mask-a mask of civilization hiding wild eyes, properness hiding tensed muscles, ready to spring.’
    • ‘Blanche keeps up the facade of virginity, innocence, and properness.’