/ ˌdɪktəˈtɔːriəl; NAmE / adjective ( disapproving )
1.
connected with or controlled by a dictator :
a dictatorial ruler
a dictatorial regime
2.
using power in an unreasonable way by telling people what to do and not listening to their views or wishes :
dictatorial behaviour
► dic·ta·tori·al·ly / -əli; NAmE / adverb
••
WORD ORIGIN
early 18th cent.: from Latin dictatorius (from dictator : from dictat- dictated, from the verb dictare ) + -al .