strident

adjective

1. 1

   unpleasantly loud and harsh

2. 2

   being sharply insistent on being heard

   strident demands

   shrill criticism

3. 3

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

4. 4

   conspicuously and offensively loud; given to vehement outcry

   blatant radios

   a clamorous uproar