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

The talented threesome kicked off the run in fine fashion on Wednesday (April 2) at the beautiful Bing Concert Hall on the Stanford University campus, delivering a 90-minute set that was stocked with a mix of Mehldau originals and cover tunes. —Jim Harrington, Mercury News, 3 Apr. 2025

This leads our main trio to … Emotional Emergency of the Week Have a threesome because life is short! —Rebecca Alter, Vulture, 2 Apr. 2025

The fearsome threesome went down by fly out, groundout and lineout. —Kevin Acee, San Diego Union-Tribune, 5 Mar. 2025

After a week of toxic friendships, incestuous threesomes, suspicious billionaires, and lots and lots of monkeys, the guests have officially checked out of The White Lotus Thailand. —Meg Walters, Glamour, 11 Apr. 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