bossiest

ˈbɒsi

adjective

fond of giving people orders; domineering.

don’t be so bossy!

domineering,dominating,overbearing,imperious,masterful,autocratic,autarchic,officious,high-handed,high and mighty,authoritarian,dictatorial,strict,harsh,severe,iron-handed,controlling,despotic,tyrannical,draconian,oppressive,subjugating,undemocratic,anti-democratic,pushy,cocky,throwing one’s weight about,throwing one’s weight around