English to English

adverb (r)

• in an illegal manner

  dalam cara yang ilegal

  Example:
  They dumped the waste illegally.
  

  Synonym:
  illicitly, lawlessly
  Antonym:
  lawfully, legitimately, licitly
  

  source: wordnet30
• In a illegal manner; unlawfully.

  dalam satu cara ilegal; unlawfully.

  source: webster1913