furthest

Etymology

adj

1. superlative form of far: most far
   1. Most distant in time, space or degree.
      The furthest known galaxy is about 13 billion light years from Earth.
      Sitting on the dockside at Oban, watching the to-ing and fro-ing in the harbour on a perfect summer's eve, I reflect on a trip which has taken me through our busiest cities to traverse the country's main lines, as well as explore some of the furthest extremities that were literally out on a limb. November 30 2022, Paul Bigland, “Destination Oban: a Sunday in Scotland”, in RAIL, number 971, page 79

adv

1. superlative form of far: most far
   1. To, at or over the greatest distance in space, time or other extent.
      Of all the children in our school, I can run furthest.
      He lives furthest from the office, so his commute is the longest.
   2. To the greatest degree or extent.
      This civilisation was the furthest advanced.