strident

stri-dent

adjective

Loud, harsh, and unpleasant in sound; or forcefully expressing an opinion, often unwelcome.

"Her strident voice cut through the noise."

Thesaurus

Synonyms: vociferous, clamant, blatant, clamorous, noisy, imperative, shrill, cacophonous, raucous, cacophonic, continuant, fricative