High-muck-a-muck and Influential person

High-muck-a-muck noun - An arrogant or conceited person of importance.

Influential person and high-muck-a-muck are semantically related in very important person topic. In some cases you can use "Influential person" instead a noun phrase "High-muck-a-muck".

Influential person noun - A person whose actions and opinions strongly influence the course of events.

High-muck-a-muck and influential person are semantically related in very important person topic. You can use "High-muck-a-muck" instead a noun phrase "Influential person".