Thermogenic is an adjective that describes something that has the ability to produce heat or increase heat production. The antonyms for Thermogenic include words such as cooling, refrigerating, and chilling. These words describe things that have the ability to reduce heat production or lower temperatures. Other antonyms for Thermogenic include words such as unheated, cool, and cold. These words describe things that are not capable of producing heat or are insufficient in their ability to raise temperatures. Understanding the antonyms for Thermogenic can help provide a better understanding of its meaning and help one better describe the properties of objects or conditions.