dour /door or dowˈər/

1. Obstinate, determined
2. Sullen
3. Grim

dourˈly adverb

dourˈness noun

• O level
• O levels
• olfact
• olfacted
• olfactible
• olfacting
• olfaction
• olfactions
• olfactive
• olfactologies
• olfactologist
• olfactologists
• olfactology
• olfactometer
• olfactometers
• olfactometries
• olfactometry
• olfactories
• olfactory
• olfactronics
• olfacts
• olibanum
• olibanums
• olid
• olig-