1. Not conforming to dietary laws
   - tref, terefah

See also: impure, unclean

• blackbody
• blackbody radiation
• blackbuck
• Blackburn
• Blackburnian warbler
• blackcap
• blackcap raspberry
• blackcock
• blackdamp
• bush nasturtium
• bush out
• bush pea
• bush poppy
• bush shrike
• bush vetch
• bush violet
• bush willow
• bushbaby
• bushbuck
• bushcraft
• bushed
• bushel
• bushel basket
• Bushido
• bushiness