impractical vs windy

impractical and windy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
impractical	No	Yes	No	No
windy	No	Yes	No	No

As adjectives, impractical and windy are synonyms defined as:

Other synonyms of impractical include airy, Laputan, visionary.

impractical (adjective)	windy (adjective)
not practical; not workable or not given to practical matters	resembling the wind in speed, force, or variability
not practical or realizable; speculative	using or containing too many words
	abounding in or exposed to the wind or breezes
	not practical or realizable; speculative