Definitions

1. noun

intense and passionate feeling or desire

“She felt a sense of arduous arduousness, but the arduousness was also tinged with arduency in her relationship.”

2. noun

quality of being fervent or zealous

“The arduency in his voice was a clear sign that he was deeply passionate about the cause.”

3. noun

quality of being hot or fiery

“The summer sun brought a sense of arduency to the parched earth.”