adjective
- causing fear or terror; very scary
- extremely bad or unpleasant
Usage: informal
Examples
- The frightful storm kept everyone indoors all night.
- She had a frightful nightmare about being chased by monsters.
- The accident scene was too frightful to look at.
- What a frightful mess you've made in the kitchen!
- The weather has been frightful all week.
- He told us a frightful story about his camping trip.
- The frightful noise woke up the entire neighborhood.