relationship

/rɪˈleɪʃənˌʃɪp/
noun
  1. The way two or more people or groups feel and behave toward each other.
    • She has a close relationship with her grandmother.
    • Building a good relationship with your coworkers takes time.
    • The relationship between the two countries improved after the treaty.
  2. A romantic or sexual connection between two people.
    • He is not ready for a serious relationship right now.
    • They have been in a relationship for three years.
    • After the argument, their relationship became strained.
  3. A connection or link between two or more things.
    • The relationship between supply and demand affects prices.
    • Scientists study the relationship between diet and health.
    • There is a direct relationship between hours studied and exam scores.