1. Threatening or foreshadowing evil or tragic developments
   - baleful, forbidding, menacing, minatory, ominous, sinister, threatening

See also: alarming

• scarlet runner
• scarlet runner bean
• scarlet strawberry
• scarlet sumac
• scarlet tanager
• scarlet wisteria tree
• scarlet woman
• scarlet-crimson
• scarlet-pink
• scarp
• scarper
• scarred
• Scartella
• Scartella cristata
• scary
• scat
• scat singing
• scathe
• scathing
• scathingly
• scatological
• scatology
• scatophagy
• scatter
• scatter pin