1. A fictional material (either a metal or crystalline mineral) that has a detrimental effect on Superman

Encyclopedia: Kryptonite

• western yew
• westerner
• Westernisation
• westernise
• Westernization
• westernize
• westernmost
• westing
• Westinghouse
• westland pine
• Westminster
• Westminster Abbey
• westmost
• Weston
• Weston cell
• Weston-super-Mare
• westside
• westward
• westwards
• wet
• wet bar
• wet behind the ears
• wet blanket
• wet cell
• wet dream