/ ˈterɪfaɪ; NAmE / verb
( ter·ri·fies , ter·ri·fy·ing , ter·ri·fied , ter·ri·fied ) [ vn ] to make sb feel extremely frightened :
Flying terrifies her.
► ter·ri·fy·ing adjective :
It was a terrifying experience.
► ter·ri·fy·ing·ly adverb
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WORD ORIGIN
late 16th cent.: from Latin terrificare , from terrificus frightening, from terrere frighten.