Definition of incessantness in US English:

incessantness

noun

  • See incessant

    • ‘I had friends outside of the high school ‘bubble,’ and I molded myself into who I wanted to be without the incessantness of high school peer pressure.’
    • ‘The characters drink Martinis and dress in silvery-suave style, but they also talk with a nervous, imploring incessantness, microanalyzing the rules and rituals of love in the '90s. The director captures something hilarious and touching - a new attitude of wistful modesty on the part of young macho cruisers.’

Pronunciation

incessantness

/ɪnˈsɛs(ə)n(t)nəs//inˈses(ə)n(t)nəs/