high-and-mighty definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Marked by arrogance; haughty and overbearing.
- high and mighty adverb & n.
high-and-mighty - Phrases/Idioms
Conceited, haughty, as in She was too high and mighty to make her own bed. This expression originally alluded to high-born rulers and was being transferred to the merely arrogant by the mid-1600s.