seawater

noun

sea·​wa·​ter ˈsē-ˌwȯ-tər 

-ˌwä-

: water in or from the sea

Examples of seawater in a Sentence

Recent Examples on the Web

There’s also the danger of waterways becoming saltier, as falling levels allow seawater to push further inland. — Laura Paddison, CNN Money, 21 July 2026

Santo Beach Resort & Spa is the island's flagship luxury resort, with all-inclusive service, direct beachfront access, and an expansive spa centered on Porto Santo's mineral-rich sands and seawater therapies. — Paula Conway, Forbes.com, 21 July 2026

While extracting uranium from seawater has long been considered technically feasible, commercial deployment has remained limited due to economic and engineering challenges. — Prabhat Ranjan Mishra, Interesting Engineering, 18 July 2026

Kuwait is known to be overwhelmingly dependent on desalination for drinking water, with almost 90% of the arid nation’s water demand satisfied through seawater desalination plants. — Michael Wayland,azhar Sukri,terri Cullen, CNBC, 18 July 2026

Word History

First Known Use

before the 12th century, in the meaning defined above

Rhymes for seawater

• backwater
• bathwater
• blackwater
• breakwater
• deepwater
• edgewater
• feedwater
• floodwater
• freshwater
• granddaughter
• groundwater
• headwater

Kids Definition

seawater

noun

sea·​wa·​ter ˈsē-ˌwȯt-ər 

-ˌwät-

: water in or from the sea