threesome

noun

three·​some ˈthrē-səm 

1

: a group of three persons or things : trio

2

: a golf match in which one person plays his or her ball against the ball of two others playing each stroke alternately

3

: a sexual encounter involving three people

Synonyms

• triad
• trifecta
• trinity
• trio
• triple
• triplet
• triumvirate

Examples of threesome in a Sentence

the threesome has been playing music together since all three were in high school

you don't see many threesomes at honeymoon resorts, but one bride had brought along her mother

Recent Examples on the Web

Being in a threesome generally means that one player can draw an enemy's attack while the other two take advantage by flanking around their guard. —ArsTechnica, 28 May 2025

Jenna, on the other hand, talks openly with her partner about her fantasies involving others, like having threesomes with her husband and another woman. —Varuna Srinivasan, Allure, 27 May 2025

The Big Apple team won both the threesomes and singles, with Rickie Fowler playing the role of the hero, sinking a 16-foot putt on the ninth hole to keep his team in the lead. —Josh Hammer, Newsweek, 19 Mar. 2025

With the first players scheduled to head out at 8 a.m, groups will play in threesomes and from both the 1st and 10th tees. —Jack Bantock, CNN, 15 Mar. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

threesome

noun

three·​some ˈthrē-səm 

: a group of three