Polyam

If someone discloses a polyam identity or relationship, the Three and Four are strong indicators that it's a good time to welcome in new partners or take the next steps forward.

Source: wiktionary

But even with that being the case, I've never had a polyam bud presume a sexual interest on my part.

Source: wiktionary

Many people have mixed feelings or reluctance about being in a polyam relationship, but if they were clear that they did not want to be in this relationship, they would have broken up rather than come to couples therapy.

Source: wiktionary