Synonyms of sea

sea

noun

ˈsē 

as in ocean

the whole body of salt water that covers nearly three-fourths of the earth

millions of plants and animals live in the sea

Synonyms & Similar Words

• ocean
• waters
• Neptune
• blue
• brine
• deep
• seven seas
• depths
• basin
• high seas
• blue water
• main
• Davy Jones's locker

Example Sentences

Recent Examples of sea

Eider ducks and black guillemots kept us company as Marcus and Ingela talked about the history of the area including pointing out their house overlooking the sea. — Natasha Langan, TheWeek, 29 Sep. 2026

The station sits 500 meters below the sea surface and records sounds traveling through the water. — Aamir Khollam, Interesting Engineering, 29 Sep. 2026

In fact, many repositioning cruises can be anywhere from 10 to 14 days or more, offering passengers a larger mix of sea days and port days. — Megan Dubois, Southern Living, 29 Sep. 2026

Videos also show survivors jumping from a rocky island and swimming to Coast Guard rescue swimmers treading rough seas. — David Goodhue, Miami Herald, 29 Sep. 2026

Phrases Containing sea

• at sea
• sea breeze
• sea devil
• sea dog