noun

a sudden intense feeling of fear.

I jumped up in fright

fear,fearfulness,terror,horror,alarm,panic,dread,trepidation,uneasiness,nervousness,apprehension,apprehensiveness,consternation,dismay,perturbation,disquiet,discomposure,jitteriness,twitchiness,scare,shock,surprise,turn,jolt,start,the shivers,the shakes,the jitters,the heebie-jeebies,the willies,the creeps,the collywobbles,a cold sweat,the (screaming) abdabs,butterflies (in one’s stomach)

verb

frighten.

come, be comforted, he shan’t fright you