Should I feel bad for calling her that?

Anonymous

A family member has been jokingly calling me slutty/shameless because I've been wearing more and more revealing clothes (my family is religious/conservative, I'm not).

Today I told her maybe you're a little uptight (religiously)? And for whatever reason she got offended and my mom asked me to stop.

She's literally called me a sinner as a joke and I've taken it lightly. Why is it such a big deal when I clapped back? Not even a clap back but maybe a reality check?

Updates
1 y
More context: the clothes I'm talking about is a dress right below the knee, my knee isn't even showing.
Should I feel bad for calling her that?
3 Opinion