covertplan

noun
UK /ˈkʌvət plæn/
US /ˈkoʊvərt plæn/

A secret plan that you keep hidden from other people.

The spies made a covert plan to meet at the old bridge.


OTHER MEANINGS

2. A plan kept quiet so rivals cannot find out about it.

The team's covert plan helped them win the game.

3. A sneaky idea that is not shared openly.

He whispered his covert plan to his best friend.

4. A hidden way of doing something without being noticed.

Their covert plan was to surprise the teacher with a party.