Gerund form used as an uncountable noun meaning the act of denying
His constant denying of the accusations frustrated the investigators.
Его постоянное отрицание обвинений расстраивало следователей.
denyinggerund / present participle Used attributively to describe something that denies or is characterized by denial
The company issued a denying statement about the rumored layoffs.
Компания выпустила отрицающее слухи об увольнениях заявление.