Definition of cushiness in US English:

cushiness

noun

informal
  • See cushy

    • ‘There is only so much cushiness a player can get before he loses his edge.’
    • ‘While we were waiting for the movie to start, we put the pillows behind our backs for maximum cushiness, and put the blankets over our legs to keep warm.’
    • ‘She groaned and rolled over, surprised at the surface's soft, cushiness.’
    • ‘I've had this chair for my whole time here and it's never really bothered me before; is it losing its cushiness?’
    • ‘If you like the quirky styling, the car delivers the cushiness of a Lexus but with more pizzazz.’