1. Causing fear or dread or terror
   "a career or vengeance so direful that London was shocked"
   - awful, dire, dread, dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific, terrible

See also: alarming, direfully

• Byronic
• byssus
• bystander
• byte
• byway
• byword
• byzant
• Byzantine
• Byzantine architecture
• Byzantine Church
• Byzantine Empire
• Byzantine Greek
• Byzantinism
• Byzantium
• béarnaise
• béchamel
• béchamel sauce
• bête noire
• bêtise
• c
• C and W
• C battery
• C clef
• C compiler
• C major