professional

1. professional (noun) — sense 1

Definition: A person who belongs to a profession.

2. professional (noun) — sense 2

Definition: A white-collar worker, especially one with a specialized, high-earning job such as a doctor or engineer.

Example: […]extra income earned this way is normally used for buying consumer goods, such as a cottage, car, boat, and so on, irrespective of whether the recipient is a professional or a tradesman.

3. professional (noun) — sense 3

Definition: A person who earns their living from a specified activity.

Example: My son, a Canada-based IT professional who often travels to Ukraine, told me about the exhilarating atmosphere on those Ukraine-bound trains, bringing home hundreds of the unwilling refugees, mostly women and children (including the babies, born in exile on the way to meet their Ukrainian fighter fathers for the first time). The difference between Ukrainian refugees and other reluctant exiles is that Ukrainians are desperate to return.

4. professional (adj) — sense 4

Definition: Of, pertaining to, or in accordance with the (usually high) standards of a profession.

Example: The doctor is very professional in his manner.

5. professional (adj) — sense 5

Definition: Expert.

6. professional (adj) — sense 6

Definition: Of an occupation, paid, especially so as to provide a livelihood.

Example: a professional musician, a professional footballer