Adjective highland has 1 sense
  1. upland, highland - used of high or hilly country
,Noun highland has 1 sense
  1. highland, upland - elevated (e.g., mountainous) land
    --1 is a kind of natural elevation, elevation
    Antonyms: lowland
    --1 has particulars:
     Highlands, Highlands of Scotland; down; tableland, plateau
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