When a person is worry that something bad will happen
She was anxious about not making her appointment on time.
Sarah felt anxious before taking her final exams, as she was concerned about her performance and the outcome of her grades.
John was anxious about the upcoming job interview, constantly reviewing his resume and preparing answers to potential questions.
The stormy weather made Mary anxious because her husband's flight was scheduled to arrive at the airport, and she was worried about potential delays and safety concerns.
