Breadcrumb Home > Thesaurus > F Synonyms of flax Find synonyms for: Noun 1. flax, plant fiber, plant fibre usage: fiber of the flax plant that is made into thread and woven into linen fabric 2. flax, herb, herbaceous plant usage: plant of the genus Linum that is cultivated for its seeds and for the fibers of its stem WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of flax (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: debridement Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language