This meaning refers to someone who has significant influence or power in a certain field or context. It can denote a person who has the ability to effect change or command respect regardless of their official title.

This meaning emphasizes a person’s strength or authority, often in a physical or political sense. A powerful person holds a position that enables them to exert control or make important decisions.

This informal meaning suggests a person of great importance or influence, often within an organization or industry. "Big wheel" is often used in a somewhat casual or colloquial context.

Similar to "big wheel", this informal term is used to refer to someone who has a lot of clout or authority, particularly in business or politics.

This phrase refers to someone who has significant influence and power, but who operates in the background rather than being in the official position of power.