undergroundTranslate underground | into German | into Italian | into Spanish French translation of undergroundA. /ˈʌndəgraʊnd/ n 1 (GB) (subway) métro (m) on the underground = dans le métro 2the underground (political) = la clandestinité (artistic); = l'underground (m)B. /ˈʌndəgraʊnd/ adj 1 (below ground) souterrain/-e 2 (secret) clandestin/-e 3 (artistic) underground (inv)C. /ˌʌndəˈgraʊnd/ adv 1 (below ground) sous terre 2 (secretly) to go underground = passer dans la clandestinitéunderground in other Oxford dictionaries Definition of underground in the British & World English dictionary Definition of underground in the US English dictionary