Polyamory is having, or being open to, more than one romantic relationship at the same time, with the knowledge and consent of everyone involved. It rests on honesty, communication and clear agreements, and it is one of the forms of ethical non-monogamy (ENM).
Polyamory meaning: a clear definition
The word blends the Greek poly ("many") with the Latin amor ("love"). Merriam-Webster defines polyamory as "the state or practice of having more than one open romantic relationship at a time." The key word there is open: in polyamory, nobody is being deceived. Everyone involved knows what is going on and has agreed to it.
The term is younger than the practice. In 1990, Morning Glory Zell-Ravenheart used the word "poly-amorous" in her essay A Bouquet of Lovers, which is widely cited as the starting point. The noun "polyamory" spread in the early 1990s through online communities, and the Oxford English Dictionary, whose earliest evidence for it is a 1992 Usenet post, added the word in 2006.
People who are polyamorous often describe themselves simply as "poly." Some see polyamory as something they do (a relationship structure they have chosen); others experience it as part of who they are (an orientation toward loving more than one person). Both views are common, and you don't need to settle the question to start learning.
In everyday life, polyamory puts the emphasis on emotional connection. It is not only about the physical side: it is about building relationships with care, intimacy and commitment, even if each relationship takes its own shape.
The pillars of polyamory
Every person and every network of relationships lives polyamory in its own way, but almost every definition shares four ideas:
- Informed consent. Everyone involved knows other relationships exist and agrees to it. A "yes" given under pressure or with half the information is not real consent.
- Honesty. No secrets about the things that matter. Transparency is the core difference between polyamory and cheating.
- Ongoing communication. People talk about feelings, needs, time and boundaries, not once, but regularly.
- Agreements, not impositions. The people involved decide together how they want to live their relationships and revisit those agreements when something changes. Many prefer the word "agreements" over "rules," because they are negotiated between equals.
Polyamory vs. open relationship, polygamy and cheating
These terms get mixed up all the time. Here is how they compare at a glance:
| Relationship form | What it means | Does everyone consent? |
|---|---|---|
| Polyamory | Several loving relationships at once, which can be romantic and long-term. | Yes, it is the foundation. |
| Open relationship | Usually a couple that agrees each partner may connect with other people, with their own ground rules. The couple tends to remain the main focus. | Yes, within what the couple agrees. |
| Relationship anarchy | Each relationship is defined on its own terms, without imposed hierarchies or required labels. | Yes, relationship by relationship. |
| Polygamy | Marriage to more than one person, tied to specific religious or legal frameworks and often unequal. | Depends on the context; it is not egalitarian by definition. |
| Cheating | Keeping another relationship hidden and breaking what was agreed. | No, by definition. |
The line between polyamory and an open relationship is blurry, and many people use both words. A useful rule of thumb: "open" usually describes a couple making room for outside connections, while polyamory describes the possibility of more than one ongoing, loving relationship. For a deeper comparison of all the forms, read our guide to ethical non-monogamy: meaning, types and differences.
Styles of polyamory
There is no single way to be polyamorous. These are the styles you'll hear about most often; plenty of people combine several or move between them over time.
Hierarchical and non-hierarchical
In hierarchical polyamory there is a "primary" relationship (for example, the person you live with or share finances with) that takes priority in some decisions. In non-hierarchical polyamory no ranks are assigned in advance: each relationship gets the space its people agree on.
Solo polyamory
A solo poly person has or seeks several relationships but doesn't want a primary partner and, often, doesn't want to live with anyone. They prioritize autonomy without giving up emotional commitment.
Kitchen table and parallel polyamory
In kitchen table polyamory, the people in a network know each other and are close, as if they could all sit around the same kitchen table. In parallel polyamory, each relationship runs separately and metamours have little contact. Neither is better: it depends on what each person needs.
Polyfidelity
In a polyfidelitous relationship, a small group of people commit to one another and agree not to start new relationships outside the group. It shows that polyamory is not the absence of commitment, just a different shape for it.
What a polyamorous relationship looks like, day to day
From the outside, a polyamorous relationship often looks less dramatic than people expect. A lot of it is ordinary logistics and care:
- Time and calendars. Shared calendars are a running joke in poly communities for a reason: time, not love, is usually the limited resource.
- Check-ins. Regular conversations about how everyone is doing, what is working and what needs to change.
- Boundaries and agreements. Things like how much you share about other relationships, how you introduce partners to friends or family, and what happens when someone new comes along.
- Emotional work. Naming jealousy, insecurity or excitement out loud, and listening without getting defensive.
Healthy polyamorous relationships tend to have the same ingredients as any healthy relationship: respect, reliability and kindness. Polyamory just asks you to practice them with more than one person, and to talk about them more explicitly.
Key polyamory terms
- Compersion
- Feeling joy when someone you love is happy with another partner. It is often described as the "opposite" of jealousy. The word is traced to the Kerista Commune in San Francisco.
- Metamour
- Your partner's partner, with whom you don't have a direct romantic relationship.
- Polycule
- The network of people connected through polyamorous relationships.
- Nesting partner
- A partner you live with. It describes a living arrangement, not necessarily a ranking.
- Hinge
- A person with two (or more) partners who are not romantically involved with each other.
- NRE (new relationship energy)
- The rush of excitement at the start of a relationship. It feels wonderful, but it is worth managing so other relationships don't get neglected.
- Check-in
- A regular conversation to see how everyone feels and adjust agreements.
- Veto
- An agreement that lets one partner ask the other to end a different relationship. It is a sensitive topic: some people use it and many reject it, so it is worth discussing calmly, and with everyone affected in mind, before agreeing to it.
How many people are polyamorous?
Reliable numbers are scarce, and most come from the United States. A study of a national sample of 3,438 single adults in the U.S. (Moors, Gesselman and Garcia, 2021) found that:
- 16.8% wanted to try or be in a polyamorous relationship;
- 10.7% had been in a polyamorous relationship at some point in their lives;
- and among people with no personal interest in polyamory, 14.2% said they respect people who practice it.
Separately, a February 2023 YouGov poll found that 34% of U.S. adults described their ideal relationship as something other than complete monogamy.
These figures describe adults in one country, so they can't be applied to the UK, Canada, Australia or anywhere else. What they do show is that polyamory is not a fringe curiosity and that interest in it is real.
Common myths about polyamory
"It's just cheating with permission"
Cheating is defined by deception. In polyamory nobody is deceived: information and consent are the foundation. A polyamorous person can still cheat, if they break the agreements they made.
"It's a phase" or "you just can't commit"
For many people, polyamory is a stable, carefully considered way of relating. Holding several relationships with honesty takes a lot of commitment: time, communication and emotional responsibility toward each person. Others try it and realize they prefer monogamy. Both outcomes are valid.
"It's only about the physical side"
Polyamory is not only about the physical side. What sets it apart is precisely the possibility of more than one loving relationship, with emotional intimacy, care and shared plans.
"Polyamorous people don't get jealous"
They do, like anyone. The difference is in how jealousy is handled: as information about a need or a fear, not as a failure, and as something to talk about.
"It's a fix for a struggling relationship"
Opening a relationship rarely solves existing problems; it usually makes them louder. Polyamory tends to work best when it starts from a place of security and choice, not crisis.
How to explore polyamory with care
- Learn first. Read, listen to polyamorous people and pick up the vocabulary. It will help you name what you feel.
- Ask yourself why. Polyamory works best when you choose it for yourself, not to save a relationship in trouble or to please someone else.
- Talk before you act. If you have a partner, take time to talk about desires, fears and boundaries. No surprises, no done deals.
- Make agreements and revisit them. Start with a few clear agreements and schedule check-ins to adjust them.
- Find community. Meeting other people who live this way eases the sense of isolation and gives you real-life examples.
- Look after your well-being. If something is causing you a lot of distress, consider a mental health professional who is affirming of relationship diversity.
When you feel ready to meet people, our guide on how to find polyamorous partners and choose a safe polyamory dating app walks you through what to check before you start.
Frequently asked questions
Is polyamory legal?
Having more than one romantic relationship between consenting adults is a private life choice. What most legal systems do not recognize is marriage to more than one person. A few places have started to recognize multi-partner families in limited ways, so if you have questions about housing, inheritance or parenting, talk to a family law professional where you live.
What is the difference between polyamory and polygamy?
Polygamy means being married to several people at once and is usually tied to specific religious or legal frameworks, often with unequal rules. Polyamory does not require marriage and is based on everyone involved, of any gender, having the same information, the same freedom and giving their consent.
Can you be polyamorous and married?
Yes. Many polyamorous people have a spouse or long-term partner and other relationships at the same time; others have no primary partner at all. What defines polyamory is not the structure but the fact that everyone involved knows about it and agrees to it.
Is polyamory the same as cheating?
No. Cheating is defined by deception: someone breaks an agreement and hides it. Polyamory is built on honesty and consent, so everyone knows other relationships exist. A polyamorous person can still cheat, though, if they break the agreements they made.
Do polyamorous people get jealous?
Yes, like anyone else. In polyamory, jealousy is not seen as a failure but as information about a need or fear worth talking about. With communication, clear agreements and regular check-ins, it usually becomes easier to manage.
How do I know if polyamory is right for me?
There is no definitive test. It helps to ask yourself whether the idea of multiple relationships with full honesty appeals to you, whether you are willing to talk a lot about feelings and agreements, and whether you want it for yourself rather than to keep someone. Reading, talking with polyamorous people and going slowly are the safest ways to find out.
Sources
- Merriam-Webster. polyamory, noun.
- Oxford English Dictionary. polyamory, n.
- Wikipedia. Terminology within polyamory (origin of the term).
- Moors, A. C., Gesselman, A. N. and Garcia, J. R. (2021). Desire, Familiarity, and Engagement in Polyamory: Results From a National Sample of Single Adults in the United States. Frontiers in Psychology, 12.
- YouGov (2023). How many Americans prefer non-monogamy in relationships?
- Wikipedia. Polyamory (including the section on compersion).
This guide is for general information and does not replace advice from health, mental health or legal professionals. Poliamore is an app for adults 18 and over only.