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  • coaster
    coaster
    noun
    a person or thing that coasts.
  • Coaster
    Coaster
    noun
    a person from the West Coast of the South Island, New Zealand
Synonyms

coaster

American  
[koh-ster] / ˈkoʊ stər /

noun

coasters plural
  1. a person or thing that coasts.

  2. a small dish, tray, or mat, especially for placing under a glass to protect a table from moisture.

  3. a ship engaged in coastwise trade.

  4. a sled for coasting.

  5. a tray for holding a decanter to be passed around a dining table.

  6. roller coaster.


coaster 1 British  
/ ˈkəʊstə /

noun

  1. a vessel or trader engaged in coastal commerce

  2. a small tray, sometimes on wheels, for holding a decanter, wine bottle, etc

  3. a person or thing that coasts

  4. a protective disc or mat for glasses or bottles

  5. short for roller coaster

  6. a European resident on the coast

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Coaster 2 British  
/ ˈkəʊstə /

noun

  1. a person from the West Coast of the South Island, New Zealand

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of coaster

First recorded in 1565–75; coast + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The group's performance reflects the roller coaster ride by cocoa prices over the past five years when it has been buffeted by wars, poor harvests and economic worries in key markets.

From Barron's Jul. 9, 2026

The emotional roller coaster his comments and the subsequent backlash took us on are emblematic of a larger hesitancy and resistance to change.

From Slate Jun. 15, 2026

Asian chip stocks rebounded, capping a roller coaster week amid geopolitical volatility, concerns over inflation and worries over a bubble in artificial-intelligence-related stocks.

From The Wall Street Journal Jun. 12, 2026

In recent years, the IRS has been on a roller coaster.

From MarketWatch Jun. 5, 2026

It is like the world’s slowest roller coaster, but somehow it works, and minutes later we’re at the peak.

From "All The Bright Places" by Jennifer Niven

So yeah, consider me seated for this “Hawaiian Roller Coaster Ride.”

From Los Angeles Times May 16, 2025

The European Coaster Club celebrated their 25th trip to Oakwood last year as part of their annual get together.

From BBC Mar. 8, 2025

As a lifelong East Coaster battling seasonal depression each winter, I craved ways to find joy and spontaneity in the cold, all while building community—even when exploring solo.

From Salon Feb. 1, 2025

Andy Hine, chairman of the Roller Coaster Club of Great Britain, echoed this line of thought.

From BBC May 31, 2024

They rode all the major attractions, including the Rock 'n' Roller Coaster.

From "Millionaires for the Month" by Stacey McAnulty

Mostly cheap, guilty pleasures, from coasters to Christmas ornaments to, yes, shelves of Starbucks mugs.

From The Wall Street Journal Jul. 1, 2026

If she thinks she can sell two old coasters for $29, perhaps she knows something about the housewares resale market that you don’t.

From MarketWatch Jun. 16, 2026

He has added gold trim to the crown molding, smothered the walls with gold-framed artworks and gold-painted embellishments, placed inch-thick gold coasters on the desk, and lined up gold urns on the mantel.

From Slate Jun. 11, 2026

While Legoland has other coasters, many are known as what Storer refers to as “pink knuckle” coasters, slang for safe for kids and families.

From Los Angeles Times Mar. 6, 2026

We eat lunch at our normal hilltop spot, on a bench with my favorite view of steep streets that dip like roller coasters.

From "The House That Lou Built" by Mae Respicio

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