1. (noun)submersible an apparatus intended for use under water Synonyms: submersiblewarship Antonyms: surfaceship, nonsubmersible, nonsubmergible
2. (adj)submersible, submersible warship a warship designed to operate under water Synonyms: submersible, submersible warship Antonyms: surface ship, nonsubmergible, nonsubmersible