tight-knit
US /ˌtaɪtˈnɪt/
UK /ˌtaɪtˈnɪt/

1.
affiatato, unito
closely bound together by ties of friendship, loyalty, or kinship
:
•
They are a tight-knit community that always supports each other.
Sono una comunità affiatata che si sostiene sempre a vicenda.
•
The small family was very tight-knit.
La piccola famiglia era molto affiatata.