English to English

noun (n)

• a lack of knowledge or recognition

  kurangnya pengetahuan atau pengiktirafan

  Antonym:
  awareness, cognisance, cognizance, consciousness, knowingness
  

  source: wordnet30
• Failure to cognize, apprehended, or notice.

  kegagalan cognize, menangkap, atau pemberitahuan.

  source: webster1913