main-task-firstorder

noun
UK /meɪn tɑːsk fɜːst ˈɔːdə/
US /meɪn tæsk fɜrst ˈɔːrdər/

The main task is the most important job you do first.

Before playing, she finished her main task of cleaning her room.


OTHER MEANINGS

2. The biggest job in a list that comes before all the others.

Writing the title was the main task first order on his homework list.

3. The first and most important thing a group decides to do.

The team agreed the main task first order was to build the base.

4. A top job you must finish before you can do anything else.

Her main task first order was to feed the dog before school.