DictionarypartnerRomantic companion
noun / verb

partner

PART-nur/ˈpɑːrtnər/

A person or organization joined with another in a shared undertaking.

Each business partner signs the shared plan at the shop.

Two business partners, white woman and Black man, jointly sign a shared plan at their shop.
Etymology

Parçonier meant a joint owner or heir, making shared possession the central image. The word may also reflect an expression meaning 'part holder,' likewise connecting association with a shared portion.

In context

Psych2Go3:16
partner you also might depend on your partner for emotional Comfort
4 Common Behaviors That Kill Relationships

More examples

  • She and her partner are raising two children.
  • The library partners with local schools to offer tutoring.
  • Choose a partner for the next exercise.

Forms

partner · partners · partnered · partnering

partnership noun — A relationship involving shared work or responsibility.

Similar words

associate
Suggests a professional connection without necessarily sharing ownership or responsibility.
collaborator
Emphasizes working together on a particular project or task.