Definitions

1. noun

a group of three people, typically engaged in a romantic or sexual relationship.

“The couple’s decision to have a threesome with their friend was met with surprise and concern.”

2. noun

a trio of people, such as athletes or musicians, competing or performing together.

“The trio won the music competition with their unique blend of styles.”

3. verb

to engage in a romantic or sexual relationship with two other people.

“They had been together for years, and some of their friends had threesomes with other couples.”