costliest

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.

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

That payout, the costliest of the period, stemmed from a March 2021 911 call for Isaias Cervantes, a deaf man who was in the throes of a mental health crisis.

From Los Angeles Times • Feb. 3, 2026

"The first half of the year was the costliest loss period the insurance industry has ever experienced," he said -- but the second half saw the lowest losses in a decade.

From Barron's • Jan. 13, 2026

I figure it’s probably the costliest portable item in the entire Clearview Inn, so I hesitate to leave it in my room for the nine or so hours while I’m away at work.

From "Nickel and Dimed: On (Not) Getting By in America" by Barbara Ehrenreich