seaboard

noun

sea·​board ˈsē-ˌbȯrd 

: seacoast

also : the country bordering a seacoast

seaboard adjective

Examples of seaboard in a Sentence

He lives on the eastern seaboard.

Recent Examples on the Web

El Niño years are also associated with coastal flooding on the Eastern seaboard and the West Coast. — Ava Berger, NPR, 29 Oct. 2026

In addition to above-average precipitation projected for the West Coast and across the southern states, precipitation along the eastern seaboard is also expected to be above average. — Andrew Freedman, CNN Money, 15 Oct. 2026

That storm actually hit Florida’s Atlantic coast and moved up the Eastern seaboard, as forecasters had predicted. — Dave Goldiner, New York Daily News, 8 Oct. 2026

The weight of the Laurentide ice sheet that covered large parts of North America thousands of years ago pushed down the land below it, while causing the land around its edges to rise – including along the mid-Atlantic seaboard. — Brian Tang, The Conversation, 30 Sep. 2026

Word History

First Known Use

1613, in the meaning defined above

Rhymes for seaboard

• abhorred
• aboard
• accord
• adored
• afford
• award
• baseboard
• billboard
• blackboard
• boxboard
• breadboard
• broadsword

Kids Definition

seaboard

noun

sea·​board ˈsē-ˌbō(ə)rd 

-ˌbȯ(ə)rd

: seacoast

also : the country bordering a seacoast

seaboard adjective