(~s)
1.
If two people have a brief romantic relationship, you can say that they have a ~ with each other, especially if they do not take it seriously. (OLD-FASHIONED)
N-VAR: oft N with n
2.
Someone’s ~ with something is a brief involvement with it. (OLD-FASHIONED)
...my brief ~ with higher education.
N-COUNT: oft poss N, N with n