1. Characterized by undue haste and lack of thought or deliberation
   - hotheaded, impulsive, impetuous, madcap, tearaway

See also: incautious

• bald-headed
• bald-pated
• baldachin
• Balder
• balderdash
• baldhead
• baldie
• balding
• baldly
• baldness
• baldpate
• Baldr
• baldric
• baldrick
• Baldwin
• baldy
• bale
• bale out
• Balearic Islands
• baleen
• baleen whale
• balefire
• baleful
• balefully
• balefulness