Home › Words › S › seabedseabedseabed means the floor or bottom of the sea or ocean.Among words judged in Lexicurio's Arena, seabed ranks #456 of 42,747 for Qualifying.EtymologyFrom sea + bed.nounThe floor or bottom of the sea or ocean.e.g.“Near-synonym: Davy Jones's locker”Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.seabottom 76% match — Synonym of seabed. vs seabed →oceanbed 74% match — Synonym of seabed. vs seabed →seasand 71% match — Sand of the sea floor or seashore. vs seabed →subseafloor 67% match — Beneath the seafloor. vs seabed →softbottom 63% match — A soft seafloor, typically composed of muddy sediment. vs seabed →underseas 61% match — Under the surface of the sea or ocean, underwater. vs seabed →seawater 60% match — The saltwater of a sea or ocean. vs seabed →seaboard 60% match — The area bordering the sea; a coastline; a sealine. vs seabed →