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

See also: illicit

Antonym: licitly

• Glossopsitta versicolor
• glossoptosis
• glossy
• glossy snake
• glossy-coated
• glossy-furred
• glossy-haired
• glottal
• glottal catch
• glottal plosive
• glottal stop
• glottis
• glottis spuria
• glottis vera
• glottochronological
• glottochronology
• Gloucester
• Gloucestershire
• glove
• glove anesthesia
• glove compartment
• glove doll
• glove leather
• glove puppet
• glovebox