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Discover LudwigThe word "costliest" is a valid word and can be used in written English
You can use it when referring to something or someone that carries the most expensive price tag. For example, "The diamond necklace was the costliest item in the jewelry store."
Dictionary
costliest
adjective
En-superlative of costly
Exact(60)
Recent Tory claims that they have a strong track record on cutting social security over the past five years are undermined by the documents, which point out that coalition changes failed to meet promises to limit spending on three of the costliest cap items: incapacity benefit, disability benefit and housing benefit.
When completed it will be South Korea's costliest acquisition of weapons to date; neighbouring China and Japan are also upgrading their fleets of stealth aircraft.Investors responded positively to Hewlett-Packard's quarterly earnings after it reported a $1.4 billion net profit and just a small dip in revenue and compensated for weakness in China by doing well in other emerging markets.
On screen, boring Elizabeth could win the Grand National, or tussle with horrific memories of murder in "Suddenly Last Summer", or seduce both Caesar and Mark Anthony in real-gold robes in "Cleopatra" (1962), then the costliest film ever made.
But at $6,800 per kilowatt, it will be the costliest power plant yet built (a gas-fired power station in America costs $1,000 per kW).
Among them are several Indian industrialists, including Mukesh Ambani of Reliance Industries, India's biggest private company, who has snapped up the costliest franchise, in Mumbai, for $111m.
That figure would make this disaster the costliest since comparable records began in 1965.
Five of the ten costliest, in terms of money rather than lives, were in the past four years.
At the high end of estimates, RMS, a catastrophe-modelling firm, puts insured losses at $40 billion-60 billion, which would make Katrina by far the costliest natural disaster insurers have ever faced (see table).
MANFRED STOLPE, Germany's transport minister, is getting plenty of free advice these days on how to correct one of his government's costliest mistakes.
But it did so in the costliest way imaginable.
Food transfers have also been the costliest option in similar projects in Yemen, Uganda and Niger, according to John Hoddinott at IFPRI.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com