The antonyms for the word "in calescences" can be terms such as coldness, chilliness, coolness, frigidity, or iciness. These antonyms denote a sense of low temperature or lack of warmth, either literal or metaphorical. They are opposites of the original word, which means a state of being hot, heated, or passionate. Other antonyms that can be used for in calescences are indifference, apathy, detachment, or dispassion, which indicate a lack of emotional intensity or involvement. Thus, depending on the context in which the word appears, its antonyms can have various shades of meaning and convey different messages.