dour /door or dowˈər/

1. Obstinate, determined
2. Sullen
3. Grim

dourˈly adverb

• acousticians
• acoustic lens
• acoustic microscope
• acoustic phonetics
• acoustics
• acoustic shock
• acousto-electric
• ACP
• ACPO
• ACPOS
• acpt.
• ACPU
• acquaint
• acquaintance
• acquaintance rape
• acquaintances
• acquaintanceship
• acquainted
• acquainting
• acquaints
• acquest
• acquests
• acquiesce
• acquiesced
• acquiescence