Thesaurus.com
Dictionary.com
Definitions

costly

[kawst-lee, kost-] / ˈkɔst li, ˈkɒst- /




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:

Despite its desirable properties and broader potential, however, the alloy is difficult and costly to 3D print because the process typically requires substantial laser power and energy.

From Science Daily Aug. 27, 2026

It has become a backer to those that rely on its chips, providing some funding to the likes of OpenAI, Anthropic, and SpaceX to help continue the costly buildout of AI infrastructure.

From BBC Aug. 26, 2026

It is therefore imperative to better understand the impact of "Atlantification" of East Greenland waters, but the remote, harsh environment has made it costly and difficult for researchers to reach the area.

From Barron's Aug. 26, 2026

American businesses could face higher prices for steel and aluminum as well as other costly disruptions in their ability to obtain key supplies.

From MarketWatch Aug. 25, 2026

Territorial empires are tightly controlled but costly to maintain; hegemonic empires are inexpensive to maintain, because the original local rulers incur the costs of administration, but the loose tie between master and vassal encourages rebellion.

From "1491" by Charles C. Mann

Built from high-resolution microscope images rather than costlier molecular techniques, it creates a detailed three-dimensional map of the brainstem, identifying more than 200 clusters of brain cells and nerve pathways.

From BBC Jul. 13, 2026

To be clear, costlier jet fuel was painful, even for Delta, which owns an oil refinery.

From The Wall Street Journal Jul. 9, 2026

But their coverage tends to be skimpier and often costlier than policies sold by travel insurers.

From MarketWatch Jul. 9, 2026

Higher interest rates make it costlier to borrow money, which acts as a brake on spending, employment, and economic growth.

From Slate Jun. 17, 2026

But they bowed to Sproul’s judgment that losing Lawrence would be even costlier, and voted to cover all the annual operating and maintenance costs that Lawrence had budgeted for the Rad Lab.

From "Big Science" by Michael Hiltzik

It was among the costliest civil disturbances in American history.

From The Wall Street Journal Aug. 7, 2026

Local enthusiasm for the tournament had fallen away after co-hosts the United States were knocked out by Belgium on July 6, but tickets for the final still became the costliest in US sporting history.

From Barron's Jul. 19, 2026

Burns: It is one of the costliest mistakes investors make.

From MarketWatch May 26, 2026

Later in the year, Jaguar Land Rover was attacked, in what became the costliest cyber event in UK history.

From BBC Apr. 1, 2026

Exquisite in its size, perfect in its shape, the stone was lovelier than the finest pearl and more gorgeous than the costliest jewel.

From "When the Sea Turned to Silver" by Grace Lin




Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training