Definition of superlativeness in US English:

superlativeness

noun

  • See superlative

    • ‘It is applied as an epithet denoting superlativeness of any quality.’
    • ‘It is a movement of life which shows life in its superlativeness and at its best.’
    • ‘For example, he explains, ‘Any deviation from these meticulous expectations is likely to doom the applicant's prospects, notwithstanding superlativeness on all other selection criteria.’’
    • ‘I agree with you on the superlativeness of a really good dark chocolate truffle.’

Pronunciation

superlativeness

/səˈpərlədɪvnəs//səˈpərlədivnəs/