undeniable
adjective
- that cannot be denied
Wiktionary
Pronunciation: /ˌʌn.dɪˈnaɪ.(j)ə.bəɫ/ / /ˌʌn.dɪˈnaɪ.ə.bl̩/
adj
Etymology: From un- + deny + -able, compare deniable.
- Irrefutable, or impossible to deny.
“Some believe that there is undeniable evidence of UFOs.”
“After all, it is undeniable that the B.R. standard coach scored highly in comparative trials with other European railway vehicles on the Continent a few years ago, so that B.R. civil engineers must share responsibility for any defects in its behaviour over here.”