Definition of resoluteness in US English:

resoluteness

noun

  • See resolute

    • ‘The objective is to demonstrate our resoluteness in eradicating terrorism.’
    • ‘The social economic renaissance of the continent will be much dependent on the resoluteness and steps in this direction.’
    • ‘This appropriate way involves a special moment of decisive action that involves resoluteness.’
    • ‘In addition to resolve we have resoluteness and strength.’
    • ‘Alcohol abuse has in many instances also reduced once dignified, principled and balanced people into inferior inebriates lacking drive, initiative and resoluteness.’

Pronunciation

resoluteness

/ˈrɛzəˌl(j)utnəs//ˈrezəˌl(y)o͞otnəs/