noun
intimacy; familiarity; closeness
The degree of closeness or familiarity in a relationship; often used to describe emotional bonds between people. Compare with 親しみ, which leans more toward 'friendliness' or 'approachability'.
See also: 親しみ
長い時間を一緒に過ごすうちに、二人の親しさが増した。
As they spent a long time together, their intimacy grew.
彼女は初対面の人ともすぐに親しさを感じさせる。
She makes even people she meets for the first time feel a sense of familiarity.