anonymity (EN)
noun

noun “anonymity”

sg. anonymity, uncountable
  1. the condition of being unknown or unacknowledged by name
    She donated a large sum of money to the charity, preferring the anonymity of an unnamed benefactor.
  2. the characteristic of lacking distinctive or interesting features, often resulting in being unremarkable or impersonal
    The anonymity of the suburban houses made it difficult to find his friend's place; they all looked exactly the same.