The term 'extended family' refers to a group of people related by blood or marriage, beyond the immediate family. This includes relatives such as grandparents, aunts, uncles, cousins, and in-laws. The crossword solutions for this term are KIN (3 letters), CLAN (4 letters), TRIBE (5 letters), and INLAWS (6 letters). KIN is a term used to refer to a person's relatives, while CLAN is a larger group of related people, usually descended from a common ancestor. TRIBE is an even larger group of related people, often with a shared culture and language. Finally, INLAWS are the relatives of one's spouse or partner.