Adjective
loose-knit (comparative looser-knit or more loose-knit, superlative loosest-knit or most loose-knit)
(of a group) Not closely linked or connected.
Antonyms: tight-knit, close-knit
a loose-knit network
"As far as the authorities are concerned, any kind of disguised, loose-knit organization is crossing a red line," Zha said. Source: Internet
They go to each other's houses for supper sometimes and play in a loose-knit, shaggy group of stringed instruments and harmonicas two or three times a week. Source: Internet