cacophonous vs strident

cacophonous and strident both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cacophonous	No	Yes	No	No
strident	No	Yes	No	No

cacophonous (adjective)	strident (adjective)
having an unpleasant sound	unpleasantly loud and harsh
	being sharply insistent on being heard
	conspicuously and offensively loud; given to vehement outcry
	of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then')