| Farthest 1. (Superl.) Most distant or remote; as, the farthest degree. See Furthest. 2. (adv.) At or to the greatest distance. See Furthest. Thesaurus Entries boundary, caudal, conclusive, definitive, determinative, endmost, eventual, extreme, farthermost, farthest off, final, furthermost, furthest, last, limiting, most distant, outermost, outmost, polar, remotest, tail, terminal, terminating, terminative, ultimate, utmost, uttermost |