/ Thesaurus / T Synonyms of three lane Find synonyms for: Adjective1. three-lane, multilane (vs. single-lane)usage: having a lane for traffic in each direction and a center lane for passingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: magnanimous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language