/ Thesaurus / D Synonyms of decametre Find synonyms for: Noun1. decameter, dekameter, decametre, dekametre, dam, dkm, metric linear unitusage: a metric unit of length equal to ten metersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language