Definition of "overground" in Englisch

adjective

1. Above the ground.

   • an overground railway

2. Mainstream, not underground.

noun

1. (chiefly London) A commuter rail or similar rail transport system, or a train in such systems, generally running through an urban area largely above ground and faster than an underground or metro with fewer stops.

verb

1. simple past and past participle of overgrind