If you wish to reset your Swipe history (all your Swipes and Swipes by others on your profile that didn't result in a Match) see [How to Reset my Swipes]. This will allow you to see and be seen again on muzmatch.
Please note that you can only do this if you are a Gold member.
If you wish to temporarily go offline and not be shown to anyone on muzmatch, including your existing Matches, go to ⚙️Menu → Settings → Deactivate.
When you log back in again, your profile will be reactivated, fully restoring your account.
To permanently delete your account, go to ⚙️Menu → Settings → Deactivate → Submit feedback → Delete Account.