I. ˈfär-thəst adjective
Date: 14th century
: most distant especially in space or time
the farthest frontier
the seat farthest from the door
II. adverb
Date: 15th century
1. : to or at the greatest distance in space or time
who can jump the farthest
2. : to the most advanced point
goes farthest toward answering the question
3. : by the greatest degree or extent : most
the painting farthest removed from reality