1. In an impregnable manner
   "the sight of that bland, impregnably righteous face has been enough to make their blood run cold"

See also: impregnable

• betake oneself
• betatron
• betcha
• betel
• betel nut
• betel palm
• betel pepper
• Betelgeuse
• beth
• Bethe
• bethel
• bethink
• Bethlehem
• Bethlehem Ephrathah
• Bethlehem-Judah
• Bethune
• betide
• betimes
• betoken
• betony
• betray
• betrayal
• betrayer
• betroth
• betrothal