What is a verb form of poor?

There isn't a direct verb form of "poor." "Poor" is an adjective, meaning lacking in something, especially money or possessions.

However, you can use "impoverish" as a verb to convey the meaning of making someone poor:

* The economic downturn impoverished many families.

If you're looking for a verb that describes someone experiencing poverty, you could use:

* Suffer (from poverty)

* Live (in poverty)

* Struggle (with poverty)

The best verb to use will depend on the specific context and the nuance you want to convey.