about

modif. & prep.

1. Approximately

   roughly, nearly, around; see approximately.

2. Concerning

   regarding, respecting, concerning, touching, of, on, in relation to, relative to, relating to, as regards, with regard to, with respect to, in the matter of, in reference to, with reference to, referring to, as concerns, so far as (something) is concerned, in connection with, apropos of, connected with, concerned with, dealing with, thereunto, in re (Latin), thereby, hereof, wherein, with a view toward, as to, as for, anent.

3. Around

   surrounding, round about, on all sides; see around 1.

4. Active

   astir, in motion, alert; see active 1, 2.