dictatorially
adverb/ˌdɪktəˈtɔːriəli/
/ˌdɪktəˈtɔːriəli/
(disapproving)- in an unreasonable way, like a dictator, telling people what to do and not listening to their views or wishes
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dictatorially
Definition of dictatorially adverb from the Oxford Advanced Learner's Dictionary