The word unpassionately refers to a lack of passion or emotion. Some synonyms for unpassionately include apathetically, dispassionately, impassively, indifferently, or stoically. Apathetically connotes a complete lack of interest or concern, while dispassionately implies a lack of emotional attachment or bias. Impassively suggests a calm, emotionless response, and indifferently denotes a lack of enthusiasm or preference. Stoically suggests a controlled, unemotional reaction to situations. These synonyms can be useful based on the context in which the word is used. However, it is important to note that while some situations may call for an unpassionate response, it is important to approach most circumstances with empathy and emotional intelligence.