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