jumpiest
Extremely easily startled
Jumpiest is the superlative form of jumpy—the most nervous, skittish, or easily startled.
Someone who's the jumpiest in the group flinches at every sound: She was the jumpiest person I'd ever met—a slammed door would send her through the ceiling.
Anxiously restless
- skittishProne to nervous fright
- twitchyNervously prone to spasms
- edgyTense and irritable
- fidgetyNervously unable to settle
antsy · restless · high-strung · on edge · keyed up · wound up · overstrung · nervy
Frightened into alertness
- alarmedFeeling sudden fear
- frightenedExperiencing sudden fear
- scaredFeeling fear or alarm
- joltedAbruptly shaken or startled
shaken · taken aback · disconcerted · stunned · caught off guard · flinching · recoiling · bolting
jittery
Anxiously restless
fidgety · antsy · restless · high-strung · on edge · keyed up · wound up · overstrung · nervy · squirrelly
spooked
Frightened into alertness
- alarmedFeeling sudden fear
- frightenedExperiencing sudden fear
- scaredFeeling fear or alarm
jolted · shaken · taken aback · disconcerted · stunned · caught off guard · flinching · recoiling · bolting · shocked
apprehensive
Fearful of future events
fearful · panicky · troubled · insecure · distressed · fretful · concerned · nervous · agitated · stressed