apprehensive

To be highly worried or anxious.

To be very worried or anxious.

To be a small amount worried or anxious.

To be slightly worried or anxious.

To be moderately worried or anxious.

To feel a strong and profound sense of anxiety or fear.

Used to describe a state of being worried or anxious.

To experience a feeling of anxiety or fear.

To give the impression of being anxious or fearful.

To appear worried or anxious through one's facial expression.

To sound worried or anxious in one's voice.

To start to be worried or anxious (more informal).

To start to be worried or anxious.

To gradually become more worried or anxious.

To cause someone to feel worried or anxious.

To continue to be in a state of anxiety or fear.

Used to specify the cause or subject of the anxiety.

Often used to express fear of a potential negative outcome. Less common than 'about'.