/ Thesaurus / L Synonyms of lieutenant colonel Find synonyms for: Noun1. lieutenant colonel, light colonel, colonelusage: a commissioned officer in the United States Army or Air Force or Marines holding a rank above major and below colonelWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language