1. Able to expand or be expanded
   - expandable, expandible 
2. (of gases) capable of expansion
   - expandable, expandible, expansile

See also: elastic, expand, expansive

• Besseya
• Besseya alpina
• Bessie Smith
• Bessy cerca
• best
• Best and Greatest
• best boy
• best evidence rule
• best friend
• best man
• best of all
• best wishes
• best-known
• best-loved
• best-selling
• bestest
• bestial
• bestialise
• bestiality
• bestialize
• bestially
• bestiary
• bestill
• bestir
• bestir oneself