boss
Bossiness originated in the early 20th century from the word “bossy,” which itself originated in the Dutch word “baas” meaning “master”./ˈbôsēnəs/
The bossiness of her tone was not appreciated by her employees.
His bossiness in dealing with his subordinates was not conducive to a healthy work environment.
She needs to be more assertive, not so full of bossiness.
Their bossiness toward one another was unnecessary and harmful.