Intentness

The artist painted with intentness, completely absorbed in his work.

The scientist's intentness on her research resulted in a groundbreaking discovery.

The CEO's intentness on cost-cutting measures led to layoffs.

The artist's intentness on detail made his painting stand out.

His intentness to finish the marathon was visible in his steady pace.

The climber's intentness on reaching the summit kept him going despite the harsh weather.

The writer's intentness on character development made the novel captivating.

His intentness in studying for the exam paid off when he scored the highest marks in the class.