overground
Word family (noun) ground underground grounding grounds (adjective) goundless underground ≠ overground grounded (verb) ground (adverb) underground
From Longman Dictionary of Contemporary Englishovergroundo‧ver‧ground /ˈəʊvəɡraʊnd $ ˈoʊvər-/ adjective [only before noun] used to describe a train system that runs on the surface of the ground rather than below it OPP underground an overground railway