nervousness
n. uncountable B1 Intermediate US //ˈnɝvəsnəs// UK //nˈɜːvəsnəs// ner·vous·ness
n. the feeling of being worried, anxious, or slightly afraid about something that is going to happen.
n. a state of being anxious or apprehensive, typically regarding an upcoming event or uncertain outcome.
She felt a bit of nervousness before her first job interview.
Despite his extensive preparation, a slight nervousness remained as he stepped onto the stage to address the large crowd.
The pervasive nervousness among investors led to a sharp decline in market activity as they awaited the central bank's announcement regarding interest rates.
From nervous + -ness.
Usage
Often used with the preposition 'about' or 'at'.