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

See also: alarming, fearsomely

• birth
• birth canal
• birth certificate
• birth control
• birth control device
• birth control pill
• birth defect
• birth pangs
• birth prevention
• birth trauma
• birth-control campaigner
• birth-control reformer
• birthday
• birthday cake
• birthday card
• birthday gift
• birthday party
• birthday present
• birthday suit
• birthing
• birthing coach
• birthmark
• birthplace
• birthrate
• birthright