1. Severely destructive
   "cataclysmic nuclear war"; "a cataclysmic earthquake"
   - cataclysmal

See also: cataclysm, destructive

• motilin
• motility
• motion
• motion picture
• motion sickness
• motion study
• motion-picture camera
• motion-picture fan
• motion-picture film
• motion-picture photography
• motion-picture show
• motional
• motionless
• motionlessly
• motionlessness
• motivate
• motivated
• motivating
• motivation
• motivational
• motivative
• motivator
• motive
• motive power
• motiveless