Definitions

1. adjective

unfriendly or distant in manner; not sociable

“She remained aloof, refusing to engage with her classmates.”

2. noun

a person who is unfriendly or distant in manner

“The partygoer was an aloof guest, not interacting with anyone.”

3. verb

to keep a distance, often to avoid intimacy or involvement

“The couple chose to aloof themselves from their friends and family.”