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Noun: overground  'ow-vu(r),grawnd or ,ow-vu(r)'grawnd
Usage: UK
  1. A railway or train that is mostly above ground
    "We took the overground to avoid traffic congestion"
Adjective: overground  'ow-vu(r),grawnd or ,ow-vu(r)'grawnd
  1. Situated over or above ground
    "The overground portion of the subway system"
     
  2. Operating openly or legally, as opposed to underground
    "The band transitioned from an underground to an overground act"

Derived forms: overgrounds

Encyclopedia: Overground