Synonyms for sea-slug Updated: 23-10-2024 by Wikilanguages.net share facebook share twitter Some common synonyms of sea-slug are: sea-slug [n.] Trepang, sea-cucumber, bêhe-demer. All 🔎︎ Synonyms of sea-slugsea-slug [n.] Trepang, sea-cucumber, bêhe-demer. Read More about: sea-slug