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

See also: illicit

Antonym: licitly

• Eustachio
• eustasy
• eustatic
• Eustoma
• Eustoma grandiflorum
• Eutamias
• Eutamius asiaticus
• Eutamius sibiricus
• eutectic
• eutectoid steel
• Euterpe
• Euterpe oleracea
• euthanasia
• euthanized
• euthenics
• Eutheria
• eutherian
• eutherian mammal
• Euthynnus
• Euthynnus pelamis
• euthyroid
• eutrophic
• eutrophication
• Euxine Sea
• eV