Devalued is a term used when something loses its value or worth. The opposite of devalued is appreciated, which means to increase in value or worth. Another antonym for devalued is valued, which means to consider something important or useful. Revalued is also an antonym for devalued, which means to reassess the value of something, often increasing it. Appreciated and valued are positive antonyms that denote an increase in worth and signify that something is important. In contrast, devalued and its related antonyms, such as depreciated and downgraded, represent a negative shift in value or worth.