/ Thesaurus / D Synonyms of damp course Find synonyms for: Noun1. damp-proof course, damp course, course, rowusage: a course of some impermeable material laid in the foundation walls of building near the ground to prevent dampness from rising into the buildingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language