throuple

American  

[thruhp-uhl] / ˈθrʌp əl /

Or thruple

noun

1. three people who are engaged or married to one another, or involved as romantic partners.

   The throuple have been dating for the past two years and now live together in an intimate one-bedroom apartment.

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Etymology

Origin of throuple

First recorded in 1990–95; thr(ee) ( def. ) + (c)ouple ( def. )

Example Sentences

So imagine what the pandemic has been like for a throuple, three individuals in a loving, committed relationship.

From Washington Post • Jan. 31, 2022

Neither of us are interested in opening up the relationship or being anything other than monogamous, so please don’t recommend us being a throuple or anything.

From Slate • Jan. 27, 2021

Then Shay revealed she was "fired" from her job at the club because she was talking openly about the "throuple."

From Fox News • Aug. 20, 2020

You do sound generally nosy and judgmental about the throuple thing.

From Slate • Jan. 20, 2020

No one seems sure what a throuple is.

From Washington Post • Apr. 15, 2015