feeling or showing/expressing great physical and/or mental pain, anguish, or agony;
e.g. She let out an agonized cry when she heard the devastating news.
(verb)
suffered great mental distress or anguish/agony by worrying about or contemplating something, or caused someone to thus suffer great mental distress or agony;
e.g. He agonized over the problem for some days, unable to find a solution.