Gerundial noun, uncountable: the act or practice of dominating others.
Definitions
The act or practice of dominating others; domination. His constant domineering of his employees led to high staff turnover.
domineergerund / present participle Used attributively (e.g., ‘a domineering parent’)
Definitions
Overbearing; inclined to assert dominance over others. His domineering attitude alienated many of his friends.