Definition of risibility in US English:

risibility

noun

  • See risible

    • ‘And contemplate the risibility of the prospect of individuals with a role in these outrages ending up on a press council to sit in judgment on working journalists!’
    • ‘We must commend the kindness of the Review Board in sparing their co-workers the embarrassment of having their risibility enshrined in a document of record.’
    • ‘It is because their work is not so much literature as an insider's joke, and most serious readers don't read for risibility, but sensibility.’

Pronunciation

risibility

/ˌrizəˈbilədē//ˌrɪzəˈbɪlədi/