overgroundPronunciation: /ˈəʊvəgraʊnd, -ˈgrəʊnd/Definition of overground adverb & adjective 1on or above the ground: [as adverb]:it has suggested that a new line be built overground [as adjective]:overground stations 2 [as adjective] not subversive or illicit:they devised plans for using overground political processesoverground in other Oxford dictionaries Definition of overground in the US English dictionary
