Antonyms of adj opencast
1 sense of opencast
Sense 1
opencast, opencut -- ((of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine")
INDIRECT (VIA overhead, surface) -> subsurface -- (beneath the surface; "subsurface materials of the moon")
INDIRECT (VIA surface, subsurface) -> overhead -- (located or originating from above; "an overhead crossing")
Similarity of adj opencast
1 sense of opencast
Sense 1
opencast, opencut -- ((of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine")
=> surface (vs. subsurface) (vs. overhead) -- (on the surface; "surface materials of the moon")