high-and-mighty vs dominating

high-and-mighty and dominating both are adjectives.

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

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

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

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

high-and-mighty (adjective)	dominating (adjective)
offensively self-assured or given to exercising usually unwarranted power	most powerful or important or influential
	offensively self-assured or given to exercising usually unwarranted power
	used of a height or viewpoint