impepinable betyder på engelska

incontrovertible▼(not capable of being denied, challenged, or disputed; closed to questioning)
adjective
[UK: ɪnˌk.ɒn.trə.ˈvɜː.təb.l̩] [US: ˌɪŋˌk.ɑːntro.ˈvɝː.təb.l̩]

undeniable▼(irrefutable, or impossible to deny)
adjective
[UK: ˌʌn.dɪ.ˈnaɪəb.l̩] [US: ˌʌn.də.ˈnaɪəb.l̩]