a•loofPronunciation: (u-lOOf'), [key]
at a distance, esp. in feeling or interest; apart: They always stood aloof from their classmates.
reserved or reticent; indifferent; disinterested: Because of his shyness, he had the reputation of being aloof.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.