strident vs clamant

strident and clamant both are adjectives.

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

As adjectives, strident and clamant are synonyms defined as:

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

Other synonyms of strident include blatant, clamorous, vociferous.

strident (adjective)	clamant (adjective)
unpleasantly loud and harsh	demanding attention
being sharply insistent on being heard	conspicuously and offensively loud; given to vehement outcry
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')