1. Sloping downward away from a common crest

Antonym: synclinal

• sizing
• sizz
• sizzle
• sizzler
• sizzling
• Sjaelland
• sjambok
• SK-Ampicillin
• ska
• skag
• Skagens Odde
• Skagerak
• Skagerrak
• Skagit
• Skagway
• Skanda
• skank
• skanky
• skat
• skate
• skate over
• skateboard
• skateboarder
• skateboarding
• skater