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nouna sudden involuntary movement
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"She startled when I walked into the room"verbmove or jump suddenly, as if in surprise or alarmtype of:
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"the loud noise startled him awake"verbto stimulate to actiontype of:
Synonyms & Similar Words
move start floor jump shock shy reflex flinch jackrabbit wince boggle galvanize reflex response innate reflex instinctive reflex inborn reflex unconditioned reflex physiological reaction reflex action moro reflex startle reaction startle reflex startle response rear back galvanise take aback blow out of the water ball over