/ Thesaurus / S Synonyms of steamship company Find synonyms for: Noun1. steamship company, steamship line, lineusage: a line responsible for the operation of a fleet of steamshipsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language