親戚付き合い
Meanings
1
relations with relatives; socializing with relatives
Refers to the ongoing social interactions and obligations among extended family members, such as visits, greetings, and gift exchanges.
During Obon, I get busy with socializing with relatives.
These days, many families have less contact with their relatives.
2
treating a non-relative as family; being on close terms as if relatives
Used when a close friend or neighbor is treated with the same familiarity and obligation as a blood relative, often implying a deep, family-like bond.
I have a relationship with him like that of relatives; we can talk about anything.