dominating vs high-and-mighty

dominating and high-and-mighty both are adjectives.

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

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

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

Other synonyms of dominating include autocratic, bossy, magisterial, peremptory.

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