unfamiliarity

/ʌnfəˌmɪliˈɛrəti/
noun
  1. The state of not being known or recognized; lack of familiarity.
    • His unfamiliarity with the software caused him to make several mistakes.
    • The unfamiliarity of the city made her feel anxious at first.
    • The teacher addressed the students' unfamiliarity with basic math concepts.
What does "unfamiliarity" mean? | whatsthatwordmean | whatsthatwordmean