"rare" is probably the closest i guess? iirc that's mostly for gasses and to my knowledge isn't used by us laypeople

  • emizeko [they/them]
    ·
    edit-2
    4 years ago

    there's "rarefied" but it's a bit niche. first def in Webster at least is "being less dense"

    • Spinoza [any]
      hexagon
      ·
      4 years ago

      ooh right, sam roberts uses it in that way in a song. i think i like that one best