Is it farthest or furthest?

Farthest and furthest are both correct superlative adjectives that mean “most distant.” They are closely related to the adjectives farther and further.

Some style guides suggest that “farthest” is a better word for geographic distances (e.g., “During track practice, Gayle ran the farthest of anyone else on the team”).

When you’re uncertain about whether to use farthest or furthest, a QuillBot Grammar Check can help you avoid mistakes.