Definition of cheekiness in US English:

cheekiness

noun

British
  • See cheeky

    • ‘She had an amazing sense of humour, and a bit of cheekiness to go with it.’
    • ‘He's funny, co-operative and engaging and he is getting his cheekiness back.’
    • ‘I guess there's nothing wrong with that as they don't hide behind teenage cheekiness and are pretty up front.’
    • ‘They are filled with cheekiness and had great costumes.’
    • ‘There's a bit of cheekiness, and a creativity about it that means it will continue to progress.’

Pronunciation

cheekiness

/ˈtʃikinəs//ˈCHēkēnəs/