on edge (?.)

• all nerves
• antsy
• antsy-pantsy
• anxious
• apprehensive
• breathless
• chafing
• eager
• edgy
• excitable
• excited
• fearful
• fretful
• fretting
• frightened
• hasty
• high-strung
• hopped-up
• impatient
• impetuous
• in a lather
• in a stew
• in a sweat
• in suspense
• irritable
• keyed-up
• nerves on edge
• nervous
• nervy
• on tenterhooks
• on tiptoe
• overstrung
• panicky
• quivering
• restive
• restless
• squirming
• squirmy
• taut
• tense
• uneasy
• unpatient
• unquiet
• with bated breath
• with muscles tense