vehemence

After a while his vehemence and anger turned to tears, and he kissed my hands and sobbed out his intention of going away.

Diane was like a twittering bird on a tiny twig that shook with the vehemence of her expression.

She said nothing, but her head was almost shaken by the vehemence with which she read the book in her lap.

Victoria paced up and down the small room, carried away by her vehemence.