1. In a compulsive manner
   - compulsively, obsessionally

See also: obsessive

• Illinoisan
• illiquid
• illiteracy
• illiterate
• illiterate person
• illness
• illocution
• illogic
• illogical
• illogicality
• illogically
• illogicalness
• illude
• illume
• illuminable
• illuminance
• illuminant
• illuminate
• illuminated
• illuminati
• illuminating
• illumination
• illumination unit
• illuminative
• illuminator