1.
If you use ~ to describe someone or the way they express themselves, you mean that they make their feelings or opinions known in a very strong way that perhaps makes people uncomfortable.
...the unnecessarily ~ tone of the President’s remarks...
ADJ disapproval
2.
If a voice or sound is ~, it is loud, harsh, and unpleasant to listen to.
She tried to laugh, and the sound was harsh and ~...
ADJ