Added 10 October 2026 seaworthiness noun Categories: Describing WordsRare Words noun ! Definition from Wiktionary (CC BY-SA). More about seaworthiness at Wordnik → Where our words come from → The property of a watercraft that makes it fit to go to sea. The ship leaked like a sieve and rode like a barrel; in other words it was completely lacking in seaworthiness. Related Words: fitnessnavigabilityairworthinessairworthysailworthinessunseaworthinessseamanshipspaceworthinessweatherlinessnauticalityroadworthinessstormworthiness Back to today's word