loud vs brassy

loud and brassy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
loud	No	Yes	No	Yes
brassy	No	Yes	No	No

As adjectives, loud and brassy are synonyms defined as:

Other synonyms of loud include cheap, flash, flashy, garish, gaudy, gimcrack, meretricious, tacky, tatty, tawdry, trashy.

loud (adjective)	brassy (adjective)
characterized by or producing sound of great volume or intensity	resembling the sound of a brass instrument
(used chiefly as a direction or description in music) indicating that said piece or segment should be played loudly	tastelessly showy
tastelessly showy	unrestrained by convention or propriety

loud (adverb)	brassy (adverb)
with relatively high volume