Definition of juvenility in US English:

juvenility

noun

  • See juvenile

    • ‘The storylines were anything but mature - although this was reasonable considering the characters' juvenility.’
    • ‘I was disgusted by the juvenility and meanness running through it all.’
    • ‘In their pursuit of youth, men of my generation show some worrying signs of juvenility.’
    • ‘It simply seems to have been made from the leftovers of yesterday's juvenility.’
    • ‘The relative juvenility (in terms of rooting ability, cell division rate, and in vitro responses) of epicormic and basal shoots has been widely reported in forestry species.’

Pronunciation

juvenility

/ˌjo͞ovəˈnilədē/