familiarity

Từ điển Oxford Advanced Learner 8th

fa·mil·iar·ity [familiarity familiarities] BrE [fəˌmɪliˈærəti] NAmE [fəˌmɪliˈærəti] noun uncountable
1. ~ (with sth) | ~ (to sb) the state of knowing sb/sth well; the state of recognizing sb/sth
•His familiarity with the language helped him enjoy his stay.
•When she saw the house, she had a feeling of familiarity.
2. a friendly informal manner
•She addressed me with an easy familiarity that made me feel at home.
Idiom: ↑familiarity breeds contempt

Word Origin:
Middle English (in the senses ‘close relationship’ and ‘sexual intimacy’): via Old French from Latin familiaritas, from familiaris ‘familiar, intimate’, from familia ‘household servants, family’, from famulus ‘servant’.

Example Bank:
•He treated her with the easy familiarity of an equal.
•I had only a basic familiarity with computers.
•Over the years, he gained greater familiarity with the culture and way of life in the country.
•The article assumes a basic familiarity with the main issues.
•her detailed familiarity with her subject

• Từ đồng nghĩa / Synonyms:
  impropriety, indecorum, liberty, casualness, intimacy, closeness, acquaintance, conversance, conversancy
• Từ trái nghĩa / Antonyms:
  unfamiliarity, strangeness