primaryworry
nounUK /ˈpraɪ.mə.ri ˈwʌr.i/
US /ˈpraɪ.mɛr.i ˈwɜr.i/
The main thing that makes you feel scared or upset.
Her primary worry was missing the school bus.
OTHER MEANINGS
2. The first problem you think about in a situation.
His primary worry was finding a seat before the movie started.
3. A fear that comes before all other fears.
For the new student, the primary worry was making friends.
4. The most important thing that keeps you awake at night.
Money was their primary worry after the car broke down.