aloof

/əˈluːf/
adjective
  1. Not friendly or interested in other people; distant or reserved.
    • Her aloof manner made it hard for her coworkers to get to know her.
    • The cat sat aloof on the shelf, watching everyone from a distance.
    • The new student seemed aloof and didn't talk to anyone on the first day.
adverb
  1. In a distant or uninvolved way; apart from others.
    • He stood aloof from the argument, refusing to take sides.
    • The diplomat remained aloof from the local political conflicts.
    • She held herself aloof during the party, speaking only when spoken to.