Longman Dictionary of Contemporary English
tightly-knit
adjective
COLLOCATIONS FROM OTHER ENTRIES
a close-knit/closely-knit/tightly-knit group (=in which everyone knows each other well and gives each other support)
▪ The young mothers in the village are a fairly close-knit group.
EXAMPLES FROM CORPUS
▪ In the tightly-knit Victorian family, this prospect of permanent separation was more terrible than death itself.
▪ It is worth sounding a warning to those who are part of a tightly-knit family unit.
▪ This tightly-knit community, lying six miles south of Sheffield on the Derby coalfield, had a population of less than four thousand.
▪ Unlike Marxism-Leninism, however, the libertarian approach implies no all-embracing historical theory, no tightly-knit analysis of class struggle.
▪ Utterly ruthless in the methods he used, he created a highly-centralized, tightly-knit organization of professional revolutionaries obedient to his will.