dour /door or dowˈər/

1. Obstinate, determined
2. Sullen
3. Grim

dourˈly adverb

• thremmatologies
• thremmatology
• threne
• threnetic
• threnetical
• threnode
• threnodes
• threnodial
• threnodic
• threnodies
• threnodist
• threnodists
• threnody
• threnos
• threonine
• threonines
• thresh
• threshed
• threshel
• threshels
• thresher
• threshers
• thresher-shark
• thresher whale
• thresher whales