high-flown vs high-minded

high-flown and high-minded both are adjectives.

Word	Noun	Adjective	Verb	Adverb
high-flown	No	Yes	No	No
high-minded	No	Yes	No	No

As adjectives, high-flown and high-minded are synonyms defined as:

high-flown and high-minded: of high moral or intellectual value; elevated in nature or style

Other synonyms of high-flown include elevated, exalted, grand, idealistic, lofty, noble-minded, rarefied, rarified, sublime.

high-flown (adjective)	high-minded (adjective)
of high moral or intellectual value; elevated in nature or style	of high moral or intellectual value; elevated in nature or style
pretentious (especially with regard to language or ideals)