aj, not quite a relationship but more than flirting.
v, when you don't want a relationship but you need more than flirting.
Flirty Touch

When you regularly flirt with an acquaintance or friend but do no more.

An unofficial relationship that involves tons of flirting. Usually between two friends, and it's all fun and games til one of them falls for the other and turns it into a Relationship.

When two people, who have an obvious interest in each other, flirt non-stop but can't actually get into a relationship due to complicated reasons

more than a friendship, less than a relationship.
lots of flirting going on, and you may or may not want it to go farther.

more than friends less than a relationship. Often one or both partners having emotional or physical interest in another, while maintaining indefinite roles in eachothers lives. Consentual and mutual flirtationships are often long term and may be considerate and aware of both partners spouses.

Non mutual flirtationships often are recognized by one party playing the "puppy dog" role and constantly praising the desired partner while, baiting for attention and pitty flirts

Non consensual flirtationships are known as creepers and stalkers

A relationship with someone that's open. You're not really with them, but you flirt a lot and kinda like eachother.
To have a flirtationship, you dont have to be single and it can range from anywhere to harmless to "I wanna get in your pants"...and could even lead to a relationship.