uppi

In a sentence

• Við fórum uppi á fjall.

  We went up the mountain.

  Here, 'uppi' refers to being situated at a higher location, specifically on the mountain.

• Ljósin voru ennþá kveikt uppi.

  The lights were still on upstairs.

  In this context, 'uppi' denotes being at an upper level, in this case, upstairs in a building.

• Þeir lifðu góðu lífi og áttu allt uppi á borðum.

  They lived a good life and had everything aboveboard.

  Here, 'uppi' is used metaphorically to mean 'openly' and 'in plain sight' rather than being physically above.