hard [harder, hardest](unquestionable) adjective [UK: hɑːd] [US: ˈhɑːrd]
unquestionable(undeniable, obvious) adjective [UK: ʌn.ˈkwes.tʃə.nəb.l̩] [US: ʌn.ˈkwes.tʃə.nəb.l̩]John is unquestionably the oldest person here. = John è indiscutibilmente la persona più vecchia qui.