vastavuorisen

Vastavuorisen is the genitive singular form of the Finnish adjective vastavuorinen, which means reciprocal or mutual. The base form vastavuorinen is used to describe actions, relations, or arrangements where participants influence each other in return. In usage, vastavuorisen modifies nouns in contexts that express reciprocity, such as relationships, agreements, or exchanges.

Common contexts for the term include sociology, economics, law, and linguistics, where scholars discuss reciprocal interactions and mutual obligations. The related noun vastavuoroisuus denotes reciprocity, and phrases such as vastavuorisen suhteen or vastavuorisen sopimuksen illustrate how the adjective inflects to different cases. The term is typically found in formal or academic Finnish rather than everyday speech.

See also: vastavuoroisuus.