1. Tasting or smelling like vinegar
   - acetose, acetous, vinegary 
2. Having a sour disposition; ill-tempered
   - vinegary

See also: ill-natured, sour, vinegarishness

• downspin
• downspout
• downstage
• downstair
• downstairs
• downstate
• downstream
• downstroke
• downswing
• downtick
• downtime
• downtown
• downtrend
• downtrodden
• downturn
• downward
• downward-arching
• downward-sloping
• downwardly
• downwards
• downwind
• downy
• downy ash
• downy birch
• downy brome