A four-story private school for girls stood directly across the side street—a stolid and rather aloofly anonymous-looking building that rarely came alive till about three-thirty in the afternoon, when public-school children from Third and Second Avenues came to play jacks or stoop-ball on its stone steps.
There are no more uses of "aloof" in the book.
Show samples from other sources
People who don’t know her, think she is aloof from the rest of the team, but she is just focused on the game.
She focuses on her work and is aloof from office politics.