1. Without official authorization
   "he had made some money on the side"
   - unofficially

Encyclopedia: On the side

• convenience
• convenience food
• convenience store
• conveniences
• convenient
• conveniently
• convening
• convenor
• convent
• conventicle
• convention
• conventional
• conventionalisation
• conventionalise
• conventionalised
• conventionalism
• conventionalist
• conventionality
• conventionalization
• conventionalize
• conventionalized
• conventionally
• conventioneer
• conventual
• converge