insideplan
nounUK /ˈɪnsaɪdplæn/
US /ˈɪnsaɪdplæn/
A plan you keep in your head and do not tell others about.
She had an insideplan to surprise her brother with a cake.
OTHER MEANINGS
2. A plan made by people working inside a group or building.
The workers made an insideplan to fix the machine faster.
3. A drawing that shows the inside of a room or building.
The insideplan showed where the doors and windows go.
4. A plan that only people in a special group know about.
The club members shared an insideplan for the party.