vociferous vs strident

vociferous and strident both are adjectives.

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

As adjectives, vociferous and strident are synonyms defined as:

vociferous and strident: conspicuously and offensively loud; given to vehement outcry

Other synonyms of vociferous include blatant, clamant, clamorous.

vociferous (adjective)	strident (adjective)
conspicuously and offensively loud; given to vehement outcry	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')