centralpurpose
nounUK /ˈsɛntrəl ˈpɜːpəs/
US /ˈsɛntrəl ˈpɝːpəs/
The main reason you do something.
The centralpurpose of our trip was to visit Grandma.
OTHER MEANINGS
2. The most important job of a group or plan.
The centralpurpose of the club is to help animals.
3. The middle idea that everything else is built around.
Honesty is the centralpurpose of our classroom rules.
4. The reason something was made.
The centralpurpose of a lamp is to give light.