singular/uncountable a strong feeling of fearin terror: Thousands of islanders fled in terror yesterday as the volcano erupted.
sheer/pure/absolute terror: I remember the sheer terror of those bombing raids.
strike terror into someone (=frighten someone a lot): He didn’t strike the same terror into me as other dentists.
live in terror of someone/something (=be very afraid of them all the time): Everyone for miles around lived in terror of them.