borderline
1. [ adjective ] of questionable or minimal quality
Synonyms: marginal
Examples:

"borderline grades" "marginal writing ability"

Related terms: minimal
2. [ noun ] (geography) a line that indicates a boundary
Synonyms: border mete delimitation boundary_line
Related terms: boundary fence_line state_line green_line property_line line_of_control surround border demarcate
Similar spelling:   boarder
  Border_collie
  borderer
  bordered
  bordering
  bordereau
  border_on
  borderland
  Borders