/ Thesaurus / S Synonyms of seaworthiness Find synonyms for: Noun1. seaworthiness, fitness, soundnessusage: fitness to traverse the seasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language