Marked by arrogance; haughty and overbearing.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "high-and-mighty" in a sentence
"These jobs need to be done, and the people who do them are still doing what they can to contribute to society — but instead of treating them with respect, people like you turn up your high-and-mighty noses at them and label them “lazy”."
"For all that the OtherFolk acted so high-and-mighty around us, they certainly lapped it up when one of us shone."
"Firstly, it is dangerous to those who don't really understand the issue because they are easy to sucker in and often believe anything said by someone with a high-and-mighty educational or professional title or two says."