Definition of heedlessness in English:

heedlessness

Pronunciation /ˈhēdləsnəs/ /ˈhidləsnəs/

noun

See heedless

‘Though lacking beauty in any strict sense of the word, her energy and heedlessness - a sort of helplessness born of irresponsibility - drew people to her.’
  • ‘But there's a heedlessness to the city's sense of its own fabled history.’
  • ‘He has the loose-jointed movements of an athlete, and a brisk heedlessness as he crushes raw sugar into a splash of coffee.’
  • ‘They moved with a heedlessness and dreamlike courage towards the doom they had so assiduously courted.’
  • ‘It is impossible to achieve genuine distinction without a certain heedlessness of public opinion.’