startled
Related Words
astoundedstunnedcalmunmovedcomposedunfazedrelaxedindifferentjumpflinchreflexsurpriseshockalarmpanicfeardreadhorrorastonishmentamazementbewildermentconfusiongaspshuddertremblequivertwitchjoltheartbeatadrenalinecortisolfight or flightinstinctreactionresponsesuddennessunexpectedabruptnoisebangcrashscreamshoutwhispershadowghostprankscarefrightenterrifyappallstartlestaggerdazestunperturbagitateunsettledisconcertrattleshakenervousnessanxietytensionalertnessvigilanceawarenesswakefulnesssleepydreaming