Definition of inside adjective from the Oxford Advanced American Dictionary

Oxford3000

inside

adjective
 
/ˈɪnsaɪd/
 
[only before noun]1 forming the inner part of something; not on the outsidethe inside pages of a newspaperan inside pocket2 known or done by someone in a group or an organizationinside informationAny newspaper would pay big money to get the inside story on her marriage.The robbery appeared to have been an inside job.