Vehement (adjective)

1. Having or showing strong feelings or opinions.
2. Having or showing strong feelings or opinions; passionate; intense.

Origin:

Middle english, from latin vehemens, from vehere to carry, be violent.

Examples:

1. He was a very successful businessman and made a lot of money, but he was always very vehement about not wanting to be rich.
2. She was vehemently opposed to the idea of moving to a new city.
3. He expressed his views on the matter with great vehemence.
4. He was a man of great vehemence who never hesitated to voice his opinions.
5. The debate became more and more heated, with both sides expressing their opinions with vehemence.