on the inside(1 : on the inner side, edge, or surface of something The number 22 car tried to pass the leader on the inside (of the track). 2 baseball : on the side of home plate nearest the batter The next pitch was a fastball on the inside. 3 – used to describe how someone is feeling She may have seemed happy, but really she was sad on the inside. 4 : in a position within an organization or group The bank robbers must have had help from someone on the inside. [=someone working for the bank that was robbed] 5 : in prison He wondered what life was like on the inside. MWALD Alexander Demidov)
