strident

adjectives

conspicuously and offensively loud; given to vehement outcry
"blatant radios"; "a clamorous uproar"; "strident demands"; "a vociferous mob"
blatant, clamant, clamorous, strident, vociferous
is derived from
stridency
is derived from
stridence
of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then')
continuant, fricative, sibilant, spirant, strident
being sharply insistent on being heard
"strident demands"; "shrill criticism"
shrill, strident
unpleasantly loud and harsh
raucous, strident
is derived from
stridence