1. Done with very great haste and without due deliberation
   "rejected what was regarded as an overhasty plan for reconversion"
   - hasty, precipitate, precipitant, precipitous

See also: hurried

• 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
• downy bromegrass
• downy cheat
• downy chess
• downy ground cherry