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

See also: illicit

Antonym: licitly

• Limacidae
• limacine
• limacoid
• liman
• Limanda
• Limanda ferruginea
• Limax
• limb
• limb-girdle muscular dystrophy
• limbed
• limber
• limber pine
• limber up
• limberness
• limbers
• limbic
• limbic brain
• limbic system
• limbless
• limbo
• Limburger
• Limburger cheese
• Limburgish
• limbus
• lime