Antonyms for the term 'in cold sweat' can refer to a sense of calmness and tranquility. Words like serene, peaceful, and content can be used as antonyms. Other suitable antonyms may include confident, comfortable, and relaxed. The phrase 'in cold sweat' is often associated with fear or anxiety, hence antonyms can be used to describe a calm and comfortable state of being. When seeking comfort, antonyms may come in handy, as they can provide a sense of relief from panic and anxiety. Therefore, knowing the antonyms to a term like 'in cold sweat' is necessary when looking for synonyms that describe a peaceful state of mind.