1. Causing fear or dread or terror
   - awful, dire, direful, dread, dreaded, dreadful, fearful, fearsome, horrendous, horrific, terrible

1. The act of inspiring with fear
   - terrorization, terrorisation [Brit]

1. Cause fear in
   "The stranger who hangs around the building frightens me"
   - fright, scare, affright 
2. Drive out by frightening

See also: alarming, frighten off, frighteningly

Type of: bullying, chase away, dispel, drive away, drive off, drive out, excite, intimidation, run off, shake, shake up, stimulate, stir, turn back

• hellcat
• hellebore
• helleborine
• Helleborus
• Helleborus foetidus
• Helleborus niger
• Helleborus orientalis
• Helleborus viridis
• Hellene
• Hellenic
• Hellenic language
• Hellenic Republic
• Hellenise
• Hellenism
• Hellenist
• Hellenistic
• Hellenistical
• Hellenize
• heller
• helleri
• Hellespont
• hellfire
• hellgrammiate
• hellhole
• hellhound