1. In a manner disapproved or not allowed by custom
   - illegitimately 
2. In an illegal manner
   - illegally, lawlessly

See also: illicit

Antonym: licitly

• rigourousness
• rigout
• rijstafel
• rijstaffel
• rijsttaffel
• Riksmaal
• Riksmal
• rile
• riled
• Riley
• Riley B King
• rilievo
• Rilke
• rill
• rille
• rillettes
• rim
• rim blight
• rima
• rima glottidis
• rima oris
• rima pudendi
• rima respiratoria
• rima vestibuli
• rima vocalis