costly
Americanadjective
-
costing much; expensive; high in price.
a costly emerald bracelet; costly medical care.
- Synonyms:
- high-priced, dear
-
resulting in great expense.
The upkeep of such a large house is costly.
-
resulting in great detriment.
It was a costly mistake because no one ever trusted him again.
-
of great value; very valuable; sumptuous.
-
lavish; extravagant.
adjective
-
of great price or value; expensive
-
entailing great loss or sacrifice
a costly victory
-
splendid; lavish
Related Words
See expensive.
Other Word Forms
- costliness noun
- overcostliness noun
- overcostly adjective
- uncostly adjective
Etymology
Origin of costly
First recorded in 1350–1400, costly is from the Middle English word costli. See cost, -ly
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.
The desire to win on both sides fueled the costly projects.
Within five years, Operation Breakthrough, the ambitious, but ultimately costly, delay-ridden and politically unpopular federal initiative that had propped up the Kalamazoo factory and eight others like it across the country, ran out of money.
From Los Angeles Times
That PR campaign about the country’s top dairy title was brutal, and costly — $23 million on California’s end.
From Los Angeles Times
Even with health insurance, cancer treatment can prove extremely costly for those in the US.
From BBC
Even in strong relationships, deviation creates noise—and noise is costly.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.