1. the state of being nervous, anxious, or restless

Examples

• Her jitteriness before the job interview was obvious to everyone.
• The caffeine caused a noticeable jitteriness that lasted for hours.
• He tried to hide his jitteriness during the presentation.
• The medication’s side effects included jitteriness and insomnia.
• Deep breathing exercises helped reduce her jitteriness.
• The team’s jitteriness affected their performance in the championship game.