Definition of recklessness in US English:

recklessness

noun

  • Lack of regard for the danger or consequences of one's actions; rashness.

    ‘to fire a loaded shotgun was an act of utmost recklessness’
    ‘the recklessness of youth’

Pronunciation

recklessness

/ˈrekləsnəs//ˈrɛkləsnəs/