1. on the subject of; concerning. "I was thinking about you" synonyms: regarding, concerning, with reference to, referring to, with regard to, with respect to, respecting, relating to, on, touching on, dealing with, relevant to, with relevance to, connected with, in connection with, on the subject of, in the matter of, apropos, re; anent "a book about ancient Greece"

2. BRITISH used to indicate movement within a particular area. "she looked about the room" synonyms: around, round, throughout, over, through, all over, in all parts of, on every side of, encircling, surrounding; More