Definition of "Strident" :

adjective: unpleasantly loud and harsh

adjective: being sharply insistent on being heard

"Strident demands."

adjective: of speech sounds produced by forcing air through a constricted passage (as f', s', z', or th' in both thin' and then')

adjective: conspicuously and offensively loud; given to vehement outcry

"Strident demands."