tight-knit
US /ˌtaɪtˈnɪt/
UK /ˌtaɪtˈnɪt/

1.
unido, estrecho
closely bound together by ties of friendship, loyalty, or kinship
:
•
They are a tight-knit community that always supports each other.
Son una comunidad unida que siempre se apoya mutuamente.
•
The small family was very tight-knit.
La pequeña familia estaba muy unida.