1. more nervous, anxious, or restless than usual; experiencing greater unease or agitation
Usage: comparative form of jittery

Examples

• She became jitterier as the job interview approached.
• The caffeine made him even jitterier than before.
• Students grow jitterier during final exam week.
• The dog gets jitterier during thunderstorms.
• He felt jitterier after drinking his third cup of coffee.
• The waiting room made her jitterier by the minute.