1. Extremely alarming
   - hair-raising, nightmarish

See also: alarming

• Rebecca West
• Rebekah
• rebel
• rebellion
• rebellious
• rebelliously
• rebelliousness
• rebid
• rebind
• rebirth
• reboot
• rebore
• reborn
• rebound
• rebound tenderness
• reboxetine
• rebozo
• rebrand
• rebroadcast
• rebuff
• rebuild
• rebuilding
• rebuke
• rebuker
• rebukingly