high-and-mighty vs bossy

high-and-mighty and bossy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
high-and-mighty	No	Yes	No	No
bossy	No	Yes	No	No

As adjectives, high-and-mighty and bossy are synonyms defined as:

high-and-mighty and bossy: offensively self-assured or given to exercising usually unwarranted power

Other synonyms of high-and-mighty include autocratic, dominating, magisterial, peremptory.

high-and-mighty (adjective)	bossy (adjective)
offensively self-assured or given to exercising usually unwarranted power	offensively self-assured or given to exercising usually unwarranted power