1 [U] very great fear 恐怖；惊恐；恐惧: He screamed in terror as the rats came towards him. 老鼠向他窜过来的时候，他吓得尖叫起来。

2 [C] a person or thing that makes you feel afraid 令人惊恐的人或物: the terrors of the night 黑夜的恐怖

3 [U] violence and the killing of ordinary people for political purposes （有政治目的的）暴力活动，恐怖行为: a campaign of terror 一系列恐怖活动

4 [C] a person or animal, especially a child, that is difficult to control 难以对付的人或动物（尤指儿童）: Joey's a little terror. 乔伊是个小捣蛋。