shrilly

adverb
1
in a very high, loud and unpleasant way
جیغ‌وار, گوش‌خراش
synonym piercingly(3)
2
in a way that is loud and determined but often unreasonable
جیغ‌کشان, با صدای بلند, تند و آزاردهنده, با تندی و عصبیت
They shrilly opposed the idea.