poorly

/ˈpɔː(r)li/

In a poor manner or condition; without plenty, or sufficiency, or suitable provision for comfort.

to live poorly

With little or no success; indifferently; with little profit or advantage.

to do poorly in business

Meanly; without spirit.

Without skill or merit.

He plays tennis poorly.

In a negative manner; with disapproval.

I think poorly of them.