Coaster

/ˈkoʊstər/

Meaning & Definition

noun
A small, often circular piece of material used to protect surfaces from hot or cold beverages.
I placed my coffee cup on the coaster to avoid damaging the table.
A ride at an amusement park that involves going up and down steep tracks at high speeds.
The roller coaster at the amusement park is my favorite ride.
A person or thing that coasts, especially a vehicle that glides along a surface.
The old wooden coaster glided silently along the track.

Etymology

From coast + -er, likely referring to one who coasts along.

Common Phrases and Expressions

on a coaster
travelling or going along easily or without much effort.
coaster ride
an experience that is full of ups and downs.

Related Words

pad
A flat mat used for padding or absorbing.
trivet
A metal frame or stand for holding a hot dish.
roller coaster
An amusement park ride with a series of fast drops and turns.

Slang Meanings

Someone who benefit without contributing.
He's just a coaster, always using others' resources.
A freeloader who often bums drinks or food.
At parties, he tends to be a coaster, taking advantage of the host's generosity.