Aloof persons are individuals who often distance themselves from others, either intentionally or unconsciously. Synonyms for aloof persons include distant, reserved, detached, indifferent, withdrawn, standoffish, unfriendly, cool, unapproachable, and unsocial. These terms describe people who may seem uninterested in socializing or connecting with others and may prefer to keep to themselves. However, it's important to note that aloofness is not necessarily negative, as some individuals simply prefer solitude or have difficulty connecting with others. Understanding and respecting these individuals' preferences can lead to more positive and respectful interactions.