Synonyms: bowl over, boggle, flabbergast
Definition: overcome with amazement
Usage: This boggles the mind!
Synonyms: boggle
Definition: startle with amazement or fear
Similar words: jump, start, startle
Definition: move or jump suddenly, as if in surprise or alarm
Usage: She startled when I walked into the room
Synonyms: boggle
Definition: hesitate when confronted with a problem, or when in doubt or fear
Similar words: waver, waffle, hesitate
Definition: pause or hold back in uncertainty or unwillingness
Usage: Authorities hesitate to quote exact figures