controlling — having or attempting to exert control
domineering — inclined to rule arbitrarily or despotically; overbearing; tyrannical: domineering parents.
imperious — domineering in a haughty manner; dictatorial; overbearing: an imperious manner; an imperious person.
magisterial — of, relating to, or befitting a master; authoritative; weighty; of importance or consequence: a magisterial pronouncement by the director of the board.
