Translation of "underground" - English-Turkish dictionary

underground

adjective, adverb uk us /ˈʌndəɡraʊnd/
UNDER SURFACE

B2 under the surface of the ground

yer altı, yer altında
underground caves
an animal that lives underground
POLITICAL ACTIVITY

Underground political activities are secret and illegal.

yer altı, gizli, gizliden gizliye
an underground political organization

(Translation of “underground adjective, adverb” from the Cambridge Learner’s Dictionary English-Turkish © Cambridge University Press)