The phrase "hold oneself aloof from" implies maintaining a distance or detachment from a situation or person. Some synonyms for this phrase include "keep at arm's length," "remain detached," "maintain a distance," "withhold involvement," and "stand apart." These expressions convey the idea of intentionally choosing to remain separate from a situation or relationship. They suggest a cautious approach to social interaction or a desire for personal privacy. Whether due to a lack of interest, a need for personal space, or a desire to avoid conflict or drama, these phrases convey a sense of purposeful disengagement and detachment from the world.