{adv. phr.}, {informal} 1. As it is; at that point; without more talk or waiting. * /Ted was not quite satisfied with his haircut but let it go at that./ 2. In addition; also. * /Bill's seat mate on the plane was a girl and a pretty one at that./ 3. After all; in spite of all; anyway. * /The book was hard to understand, but at that Jack enjoyed it./ Syn.: ALL THE SAME.
AT THAT
Meaning of AT THAT in English
Slang English vocab. Английский сленговый словарь. 2012