- superlative of costly.
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.
Berlin aims to rationalize burdensome data-protection regulations, freeing small businesses from the costliest strictures.
From The Wall Street Journal ● Jul. 9, 2026
Geological Survey warned the earthquakes had the potential to rank among the deadliest and costliest in the country’s history, projecting a death toll in the tens of thousands and billions of dollars in economic losses.
From The Wall Street Journal ● Jun. 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
"It's very expensive to run a war," he said, noting that on a day-to-day basis, the Iran conflict "has to be up there with the costliest interventions the US has undertaken from a financial perspective."
From Barron's ● Mar. 19, 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
