Meaning of the word imperious in English

What does imperious mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

imperious

US /ɪmˈpɪr.i.əs/
UK /ɪmˈpɪə.ri.əs/

Adjective

assuming power or authority without justification; arrogant and domineering

Example:
The director's imperious tone made everyone uncomfortable.
She gave an imperious wave of her hand, dismissing their concerns.