frightful
/ˈfraɪtfəl/
adjective
- Very bad, unpleasant, or shocking; causing fear or horror.
- She had a frightful nightmare about being chased through a dark forest.
- The accident was a frightful scene that no one wanted to remember.
- The storm caused frightful damage to the coastal town.
- Used for emphasis to mean 'very great' or 'extreme'.
- He made a frightful noise when he dropped the heavy box on his foot.
- We were in a frightful hurry to catch the last train.
- The kitchen was in a frightful mess after the cooking experiment.