high-flown vs inflated

high-flown and inflated both are adjectives.

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

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

high-flown and inflated: pretentious (especially with regard to language or ideals)

Other synonyms of high-flown include high-sounding.

high-flown (adjective)	inflated (adjective)
of high moral or intellectual value; elevated in nature or style	pretentious (especially with regard to language or ideals)
pretentious (especially with regard to language or ideals)	enlarged beyond truth or reasonableness