inimaginable signifie anglais

unimaginable▼◼◼◼(unable to be imagined)
adjective
[UK: ˌʌ.nɪ.ˈmæ.dʒɪ.nəb.l̩] [US: ˌʌ.nə.ˈmæ.dʒə.nəb.l̩]Life without books is unimaginable. = La vie sans livre est inimaginable.

unthinkable▼◼◼◻(inconceivable or unimaginable; extremely improbable in a way that goes against common sense)
adjective
[UK: ʌn.ˈθɪŋk.əb.l̩] [US: ʌn.ˈθɪŋk.əb.l̩]It is practically unthinkable that a scientist of his stature would have made such an elementary mistake. = C'est quasiment inimaginable qu'un scientifique de sa stature ait fait une erreur aussi élémentaire.