1. Being where earthquake waves arrive simultaneously
   - coseismal

See also: unstable

• Seychelles rupee
• Seychellois
• Seyhan
• Seyhan River
• Seymour
• sez
• sezession
• Señor
• Señora
• Señorita
• waitress
• waitron
• waive
• waiver
• Wajda
• Wakashan
• Wakashan language
• wake
• Wake Island
• wake up
• wake-robin
• wake-up call
• wake-up signal
• wakeboard
• wakeful