top-priority plan
noun phraseUK /ˌtɒp praɪˈɒrəti plæn/
US /ˌtɑːp praɪˈɔːrəti plæn/
A top-priority plan is the most important plan you must do first.
Finishing her homework was the top-priority plan for the evening.
OTHER MEANINGS
2. A plan that comes before all other plans in order of importance.
The rescue team made a top-priority plan to help the trapped hikers.
3. The main thing a person or group decides to do first.
For the school fair, the top-priority plan was to find enough helpers.
4. A plan that must be finished before anything else can start.
Cleaning the kitchen was the top-priority plan before the party began.