tight-knit

US /ˌtaɪtˈnɪt/
UK /ˌtaɪtˈnɪt/
"tight-knit" picture
1.

緊密な, 結束の固い

closely bound together by ties of friendship, loyalty, or kinship

:
They are a tight-knit community that always supports each other.
彼らはいつもお互いを支え合う緊密なコミュニティです。
The small family was very tight-knit.
その小さな家族はとても緊密な関係だった。