high and mighty

high and mighty idiom
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.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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