Accompanied with, or causing, anxiety; worrying.
Having a feeling of anxiety or disquietude; extremely concerned, especially about something that will happen in the future or that is unknown.
Earnestly desirous.
Nervous and worried.
Indicating or reflecting a lack of concern or care.
Ambivalent; unconcerned; uninterested, apathetic.
Having no preference.
Mediocre (usually used negatively in modern usage).
Not making a difference; without significance or importance.
Being in the state of neutral equilibrium.
A person who is indifferent or apathetic.