/ Thesaurus / K Synonyms of kit bag Find synonyms for: Noun1. kitbag, kit bag, backpack, back pack, knapsack, packsack, rucksack, haversackusage: a knapsack (usually for a soldier)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language