polynonymous

a polyamorous relationship but you keep a secret from everyone (so it’s cheating)

Sarah has a polynonymous relationship with Kyle, Chad and Brad

polynonymous by The Better Regina Phalange February 1, 2020

Polyanonymous 

Where one person in a throuple is married to someone else and has to remain anonymous

What is your sexuality? Polyanonymous.

Polyanonymous by KP51325 May 15, 2025

Pornonymous

A word or phrase that sounds like pornography but isn't (as in "synonymous").

When she told me she was eating a kumquat for lunch. I had some very pornonymous thoughts!

Pornonymous by Hell's Kitchen Linguist January 14, 2013

Polynogamous

Being in a committed relationship with more than one partner. Not fucking others who aren’t your official others.

My wife and I are monogamous, but our three friends are polynogamous.

Polynogamous by Meleel February 28, 2026