Both parties contribute equally in a reciprocal relationship, neither does more or less. In their reciprocal friendship, both offered help whenever the other needed it.
Pro Tip 2/3
Common in Agreements
Often used in formal contexts to explain bilateral partnerships or deals. The countries signed a reciprocal trade agreement to boost their economies.
Pro Tip 3/3
Cultural Nuance
Reciprocity may imply different expectations of exchange in different cultures. She was surprised to learn about the reciprocal customs of gift-giving abroad.