1. Tending to spread quickly
   - aggressive, fast-growing

See also: invasive

• betel pepper
• Betelgeuse
• beth
• Bethe
• bethel
• bethink
• Bethlehem
• Bethlehem Ephrathah
• Bethlehem-Judah
• Bethune
• betide
• betimes
• betoken
• betony
• betray
• betrayal
• betrayer
• betroth
• betrothal
• betrothed
• Betsy Griscom Ross
• Betsy Ross
• Bette Davis
• cardiac arrest
• cardiac arrhythmia