What is a posh word for bossy verb?

There isn't one single perfect "posh" word for "bossy," as the connotation of "bossy" is inherently negative.

However, depending on the context, you could use these alternatives:

For a more neutral tone:

* Assertive

* Authoritative

* Directive

* Leading

* Managing

* Controlling (can be negative depending on the situation)

For a more negative tone:

* Dominating

* Imperious

* Overbearing

* Dictatorial

* Tyrannical

The best choice will depend on the specific situation and the nuance you want to convey.