What is another word for most costing?
Pronunciation: [mˈə͡ʊst kˈɒstɪŋ] (IPA) 
The phrase "most costing" refers to something that is very expensive or has the highest cost among other items. Synonyms for this phrase include "most expensive," "highest-priced," "costliest," "priciest," and "most valuable." Additionally, other words that can be used to describe something that has a high cost or value include "luxurious," "lavish," "sumptuous," "opulent," "splendid," and "exquisite." These synonyms can help to add more descriptive language to your writing and provide readers with a better understanding of the level of expense or value associated with the item being discussed.
