Truculence (noun)

Aggressiveness and obstinance, especially in maintaining a position or opinion.

Origin:

Late 16th century: from french truculence, from truculent "truculent", from latin truculentus, from trux, truc- "ferocious".

Examples:

1. The truculence of the young man was evident in the way he confronted his elders.
2. The senator's truculence during the hearing frustrated the other members of the committee.
3. The company's truculence in the face of criticism raised questions about its commitment to transparency.
4. His truculence was a hindrance to finding a solution to the problem.
5. Her truculence was seen as a sign of her determination to succeed.