Antonyms for the word "most cheapened" include "most valuable," "most expensive," "most cherished," "most esteemed," and "most prized." These words have the opposite meanings to "most cheapened," which connotes a reduced value or quality. When a product or service is cheapened, its worth and quality are decreased, and its cost is lowered. However, when a product or service is valuable, expensive, cherished, esteemed, or prized, it is highly esteemed, and its cost is usually high. Hence, these antonyms are essential in describing the quality and worth of different products and services, allowing individuals to make informed decisions when making purchases.