legköltségesebb
Legköltségesebb is the superlative form of the Hungarian adjective "költséges," meaning costly or expensive. As a superlative, it indicates the highest degree of expensiveness within a given context. Therefore, "legköltségesebb" translates to "most expensive" or "least economical."
When this term is used, it refers to an item, service, or undertaking that surpasses all others