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

• Rickenbacker
• ricketiness
• rickets
• rickettsia
• Rickettsiaceae
• rickettsial
• rickettsial disease
• Rickettsiales
• rickettsialpox
• rickettsiosis
• rickety
• rickey
• Rickover
• rickrack
• ricksha
• rickshaw
• RICO
• RICO Act
• ricochet
• ricotta
• ricrac
• rictal
• rictus
• rid
• rid of