The phrase "a particularly costly" is correct and usable in written English.
It can be used when describing something that is especially expensive or has a high cost associated with it.
Example: "The project turned out to be a particularly costly endeavor, exceeding our initial budget by a significant margin."
Alternatives: "an especially expensive" or "a notably high-cost".
Navies were a particularly costly commodity.
Nest defence is a particularly costly component of parental care.
Twenty years ago, a particularly costly coding mistake was made at SAS.
It's a particularly costly problem for the banks, since London – despite fierce and combative efforts by Milan, Paris, Frankfurt and Dublin – clearly has become Europe's financial center.
When a moving vehicle collides with a person on foot, this is a particularly costly and tragic form of traffic spillover.
That would be a particularly costly mistake because those investments carry long-term benefits — robots installed during a boom can keep running even when the economy slows.
The World Health Organization, preparing a report on the issue, says traffic accidents will become the world's third-leading cause of death and disability by 2020, up from ninth today -- a toll particularly costly because victims are so often young adults.
Tariffs on agricultural exports to Mexico are particularly costly, including a 15percenttariffff on wheat, a 25percentt on beef and a 75percenttariffff on chicken and potatoes.
If Mr. Bush had detonated in front of a television camera, such an explosion would have been particularly costly because it might have been seen as confirmation of what many Texans suspected: that he was running against Ms. Richards partly for personal reasons, to seek revenge.
This regulation is particularly costly to a foreign seller if the sale will be at a loss or if the foreign seller's tax liability will be less than the 10percentwithholdingng.
Allen's absence through a knee injury has been particularly costly, he said.
