1. Occurring every six months or during every period of six months
   - semestrial

See also: periodic, periodical, semester

• Blairite
• Blaise Pascal
• Blake
• blamable
• blame
• blame game
• blameable
• blamed
• blameful
• blameless
• blamelessly
• blamelessness
• blameworthiness
• blameworthy
• blanc
• blanc fixe
• blanch
• blanched
• blanching agent
• blancmange
• bland
• bland diet
• Blandfordia
• blandish
• blandishment