To arouse fear in; terrify: "Many of nature's greatest oddities, that would affright dwellers up here, are accepted down there” ( David Mazel).
Great fear; terror.
A cause of terror.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.