- such as to cause fright; dreadful, terrible, or alarming: A frightful howl woke us.
- horrible, shocking, or revolting: The storm did frightful damage.
- unpleasant; disagreeable: We had a frightful time.
- very great; extreme: That actor is very talented but a frightful ham.
- very alarming, distressing, or horrifying
- unpleasant, annoying, or extreme
