unfamiliarity
Definitions
The state or quality of being unknown or not well-known.
A lack of knowledge, experience, or familiarity with something.
Examples
His unfamiliarity with the local customs led to several awkward social interactions.
The team's unfamiliarity with the new software caused a significant delay in the project timeline.
She tried to hide her unfamiliarity with the subject by nodding along during the lecture.
Synonyms
ignorance inexperience strangeness novelty lack of knowledge unacquaintedness
Antonyms
familiarity acquaintance experience knowledge intimacy awareness