The definition of imperious is someone or something that is domineering and demanding, without any justification or right.
An example of imperious is a demand by a new house guest that you go to the store and buy him the type of drink he enjoys.
- overbearing, arrogant, domineering, etc.
- urgent; imperative
Origin of imperiousClassical Latin imperiosus ; from imperium, empire
- Arrogantly domineering or overbearing. See Synonyms at dictatorial.
- Urgent; pressing: an imperious necessity.
- Obsolete Regal; imperial.
Origin of imperiousFrom Latin imperi&omacron;sus, from imperium, imperium; see empire.