<title type="display">unrehearsed</title> adjective sense preparar, improvisat. [incident] imprevist.
<title type="display">unreliable</title> Pronúncia: ˈʌnrɪˈlaɪəbəl adjective informal, que no s'hi pot confiar. [news] que no te'n pots fiar. [machine, service] que no te'n pots refiar.
<title type="display">unrelieved</title> adjective absolut. [not varied] monòton. unrelieved by no alleujat per. three hours of unrelieved boredom tres hores d'avorriment total.
<title type="display">unrepeatable</title> adjective irrepetible. what he said is quite unrepeatable no goso repetir el que va dir.