Definition of surprisingness in US English:

surprisingness

noun

  • See surprising

    • ‘We can also estimate the surprisingness of applicability conjectures, by assessing how likely it is that a production rule step would produce very few models.’
    • ‘The images of the electric eel and the popping tangle of seaweed convey something of the speed and surprisingness of William's mind.’
    • ‘Are we talking about some sort of information-theoretical density - the informativeness or surprisingness of someone's choices of words, phrase structures and ideas?’