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adj.
filled with the emotional impact of overwhelming surprise or shock; "an amazed audience gave the magician a standing ovation"; "I stood enthralled, astonished by the vastness and majesty of the cathedral"; "astounded viewers wept at the pictures from the Oklahoma City bombing"; "stood in stunned silence"; "stunned scientists found not one but at least three viruses"
adj.
excited by sudden surprise or alarm and making a quick involuntary movement; "students startled by the teacher's quiet return"; "the sudden fluttering of the startled pigeons"; "her startled expression"