fright·ful 
(frītfəl)
(frītfəl)adj.
1. Causing disgust or shock; horrifying.
2. Causing fright; terrifying.
3. Informal
a. Excessive; extreme: a frightful liar.
b. Disagreeable; distressing: frightful weather.
frightful·ly adv.
frightful·ness n.
- absolutely
- absolutely convergent
- absolute magnitude
- absolute music
- absoluteness
- absolute pitch
- absolute temperature
- absolute value
- absolute zero
- absolution
- absolutism
- absolutist
- absolutistic
- absolutive
- absolutize
- absolvable
- absolve
- absolver
- absorb
- absorbability
- absorbable
- absorbedly
- absorbefacient
- absorbency
- absorbent