Definition of unascertainable in English:

unascertainable

adjective

  • See unascertained

    • ‘The extent of police abuse at any time is unascertainable, and for obvious reasons there is likely to be a substantial dark figure of hidden police deviance.’
    • ‘She would give the cause of death as unascertainable.’
    • ‘The results of a post-mortem examination revealed the cause of death was unascertainable and a file has now been passed to the coroner.’
    • ‘I mean, this is a legislative framework that refers everybody through an unascertainable process where we're not certain whether there'll be any uniformity about it.’
    • ‘The cause I gave was unascertainable due to decomposition.’

Pronunciation

unascertainable

/ˌʌnasəˈteɪnəb(ə)l/