(~s)
1.
A ~ is a romantic and usually sexual relationship between two people who love each other but who are not married or living together.
...a stressful ~ with a married man.
= relationship
N-COUNT: oft N with/between n
2.
If you refer to someone’s ~ with something, you mean that they like it a lot and are very enthusiastic about it.
...the American ~ with firearms...
N-SING: with supp, usu N with n