/ Thesaurus / F Synonyms of ft. Find synonyms for: Noun1. foot, ft, linear unit, linear measureusage: a linear unit of length equal to 12 inches or a third of a yard; "he is six feet tall"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language