costly

adjective

cost·​ly ˈkȯs(t)-lē How to pronounce costly (audio)
costlier; costliest
1
a
: commanding a high price especially because of intrinsic worth
costly gems
b
2
: made or done at heavy expense or sacrifice
a costly mistake
costliness noun

Examples of costly in a Sentence

We use less costly materials in our products. It was too costly to fix her car after the accident, so she decided to buy a new car instead. They won the game, but their best player was injured, so it was a costly victory. The decision to wait could be a costly mistake.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
With accurate forecasts, manufacturers can coordinate with suppliers to ensure the timely delivery of specific components, avoiding costly production delays. Michael Amori, Forbes, 24 Jan. 2025 If approved, the new plan would end the costliest corporate bankruptcy resulting from the U.S. opioid crisis. Aaron Katersky, ABC News, 23 Jan. 2025 President Trump understands that America is facing a housing affordability crisis and the only way out of this crisis is to remove barriers like unnecessary and costly regulations that are raising housing costs and preventing builders from building more attainable, affordable housing. John Yoo and John Shu, Newsweek, 23 Jan. 2025 Advertisement The loss of such clearances can be costly for former officials who work for defense contractors and require ongoing access to classified information to do their private sector jobs. Byron Tau, Los Angeles Times, 23 Jan. 2025 See all Example Sentences for costly 

Word History

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of costly was in the 14th century

Dictionary Entries Near costly

Cite this Entry

“Costly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/costly. Accessed 27 Jan. 2025.

Kids Definition

costly

adjective
cost·​ly ˈkȯs(t)-lē How to pronounce costly (audio)
costlier; costliest
1
: of great cost or value
costly furs
2
: gained at great expense or sacrifice
a costly victory
costliness noun

More from Merriam-Webster on costly

Last Updated: - Updated example sentences
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