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

• Spencer Tracy
• spend
• spend a penny
• spend-all
• spendable
• spender
• spending
• spending cut
• spending money
• spending spree
• spendthrift
• spendthrift trust
• Spengler
• Spenser
• Spenserian sonnet
• Spenserian stanza
• spent
• Spergula
• Spergula arvensis
• Spergularia
• Spergularia rubra
• sperm
• sperm bank
• sperm cell
• sperm count