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

• mesodermal
• mesohippus
• mesolithic
• Mesolithic Age
• mesomorph
• mesomorphic
• mesomorphy
• meson
• mesonic
• mesophyron
• mesophyte
• mesophytic
• mesophytic plant
• Mesopotamia
• mesosphere
• mesothelioma
• mesothelium
• mesotron
• Mesozoic
• Mesozoic era
• Mespilus
• Mespilus germanica
• mesquit
• mesquite
• mesquite gum