Definition of cocksureness in English:

cocksureness

Pronunciation /ˌkäkˈSHo͝ornəs/ /ˌkɑkˈʃʊrnəs/

noun

See cocksure

‘In a tenure marked by cocksureness and ineptitude, his greatest accomplishment may be inadvertently awakening a media reform movement.’
  • ‘The president let that slip away, deepening divisions by adopting a my-way-or-the-highway cocksureness on both domestic and foreign affairs.’
  • ‘The troubles and disasters the country has met do not stem from threats by others, but from its own cocksureness and arrogance.’
  • ‘The overwhelming majesty of my cocksureness failed to persuade.’
  • ‘This genre of music is a kingdom built on braggadocio, with swagger and cocksureness as the foundations.’