English to English

adverb (r)

• in a manner disapproved or not allowed by custom

  dalam cara ditolak atau tidak dibenarkan dengan adat

  Example:
  He acted illegitimately when he increased the rent fourfold.
  

  Synonym:
  illicitly
  Antonym:
  lawfully, legitimately, licitly
  

  source: wordnet30
• of biological parents not married to each other

  dari biologi orangtua tidak menikah dengan satu sama lain

  Example:
  This child was born illegitimately.
  

  Synonym:
  out of wedlock
  Antonym:
  legitimately
  

  source: wordnet30
• In a illegitimate manner; unlawfully.

  dalam sebuah secara haram; unlawfully.

  source: webster1913