The word "wattages" refers to the amount of electrical power that a device requires to operate. Antonyms for wattages could include words that describe a lack of electrical power or energy. These antonyms might include terms like "unpowered," "inoperative," "idle," or "lifeless." They might also include words that describe a low or minimal amount of power, such as "dim," "faint," "weak," or "vague." Other possible antonyms for wattages could include terms related to energy conservation or efficiency, such as "sustainable," "green," "low-emission," or "eco-friendly." These antonyms all highlight different aspects of energy use and conservation, and can help to expand our understanding of this important topic.